APA

E.U.A. Social Security and Medicare Boards of Trustees, . (2007). Status of the social security and medicare programs; a summary of the 2007 annual reports. U.S.A: Social Security and Medicare Boards and Trustees.

Chicago

E.U.A. Social Security and Medicare Boards of Trustees, . 2007. Status of the social security and medicare programs; a summary of the 2007 annual reports. U.S.A: Social Security and Medicare Boards and Trustees.

Harvard

E.U.A. Social Security and Medicare Boards of Trustees, . (2007). Status of the social security and medicare programs; a summary of the 2007 annual reports. U.S.A: Social Security and Medicare Boards and Trustees.

MLA

E.U.A. Social Security and Medicare Boards of Trustees, . Status of the social security and medicare programs; a summary of the 2007 annual reports. U.S.A: Social Security and Medicare Boards and Trustees. 2007.