United States. Congress. Senate. Committee on Governmental Affairs & ProQuest (Firm). (1980). Annual report of the Postmaster General: Hearing before the Committee on Governmental Affairs, United States, Ninety-sixth Congress, second session, May 1, 1980. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Governmental Affairs and ProQuest (Firm). Annual Report of the Postmaster General: Hearing Before the Committee on Governmental Affairs, United States, Ninety-sixth Congress, Second Session, May 1, 1980. Washington: U.S. Govt. Print. Off, 1980.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Governmental Affairs and ProQuest (Firm). Annual Report of the Postmaster General: Hearing Before the Committee on Governmental Affairs, United States, Ninety-sixth Congress, Second Session, May 1, 1980. U.S. Govt. Print. Off, 1980.