APA

United States, . (2009). Effect of the Part D coverage gap on Medicare beneficiaries without financial assistance in 2006. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Chicago

United States, . 2009. Effect of the Part D coverage gap on Medicare beneficiaries without financial assistance in 2006. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Harvard

United States, . (2009). Effect of the Part D coverage gap on Medicare beneficiaries without financial assistance in 2006. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

MLA

United States, . Effect of the Part D coverage gap on Medicare beneficiaries without financial assistance in 2006. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General. 2009.