Pivot Query

SELECT
[R].[PaymentMonth],
.[RegionCode],
.[CmsStateShortName],
[P].[Attribute1] AS [FinalProduct],
[Membership] = SUM([R].[Membership])

FROM
[RptMMRSummary1] [R] INNER JOIN [RefCmsState1]
ON [R].[CmsStateCode] = .[CmsStateCode]
INNER JOIN [RefPlanBenefitPackage1] [P]
ON [R].[PlanBenefitPackageID] = [P].[PlanBenefitPackageID]
WHERE
[R].[PaymentMonth] IN ('200712', '200711', '200612')
-- [P].[Attribute1] IN ('HMO', 'PPO', 'PFFS', 'SNP', 'EVCSNP')
GROUP BY
[R].[PaymentMonth],
.[RegionCode],
.[CmsStateShortName],
[P].[Attribute1]
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How do we use the pivot query for the above script. Layout as below

200801 Month / Year Selection

-------------------------------------------------------
StateShortname | Attribute | Attribute | Attribute | Total
----------------------------------------------------------
AL Values Values Values
OL Values Values Values
ZW Values Values Values
WEST Group By Region Code Total
BK Values Values Values
MN Values Values Values
EAST Group By Region Code Total

200712 Always Previous Month for the above selection Month /Year

-------------------------------------------------------
StateShortname | Attribute | Attribute | Attribute | Total
----------------------------------------------------------
AL Values Values Values
OL Values Values Values
ZW Values Values Values
WEST Group By Region Code Total
BK Values Values Values
MN Values Values Values
EAST Group By Region Code Total

200612 Always Previous year End Month for the above select Month / Year

-------------------------------------------------------
StateShortname | Attribute | Attribute | Attribute | Total
----------------------------------------------------------
AL Values Values Values
OL Values Values Values
ZW Values Values Values
WEST Group By Region Code Total
BK Values Values Values
MN Values Values Values
EAST Group By Region Code Total

Output :
[RegionCode],
[CmsStateShortName],
CurMonth_HMO, CurMonth_PPO, CurMonth_PFFS, CurMonth_SNP, CurMonth_EVCSNP,
PrevMonth_HMO, PrevMonth_PPO, PrevMonth_PFFS, PrevMonth_SNP, PrevMonth_EVCSNP,
PrevYrEndMonth_HMO, PrevYrEndMonth_PPO, PrevYrEndMonth_PFFS, PrevYrEndMonth_SNP, PrevYrEndMonth_EVCSNP