Union for Radical Political Economics. (1973). URPE: Newsletter of the Union for Radical Political Economics. The Union.
Chicago Style (17th ed.) CitationUnion for Radical Political Economics. URPE: Newsletter of the Union for Radical Political Economics. [Ann Arbor, Mich.]: The Union, 1973.
MLA引文Union for Radical Political Economics. URPE: Newsletter of the Union for Radical Political Economics. The Union, 1973.
警告:這些引文格式不一定是100%准確.