APA

United States, . (1964). Report to Congress of United States: potential savings available through purchasing rather than leasing certain office copying machines, Federal Supply Office, General Services Administration. [Washington, D.C: .

Chicago

United States, . 1964. Report to Congress of United States: potential savings available through purchasing rather than leasing certain office copying machines, Federal Supply Office, General Services Administration. [Washington, D.C: .

Harvard

United States, . (1964). Report to Congress of United States: potential savings available through purchasing rather than leasing certain office copying machines, Federal Supply Office, General Services Administration. [Washington, D.C: .

MLA

United States, . Report to Congress of United States: potential savings available through purchasing rather than leasing certain office copying machines, Federal Supply Office, General Services Administration. [Washington, D.C: . 1964.