APA

United States, . (1960). Topical comparison of United States income tax conventions. [Washington, D.C.]: .

Chicago

United States, . 1960. Topical comparison of United States income tax conventions. [Washington, D.C.]: .

Harvard

United States, . (1960). Topical comparison of United States income tax conventions. [Washington, D.C.]: .

MLA

United States, . Topical comparison of United States income tax conventions. [Washington, D.C.]: . 1960.