APA (7e ed.) Bronvermelding

GREENBERG, E. S. (1983). The American Political System A Radical Approach Edward S. Greenberg. Little, Brown.

Chicago (17e ed.) Bronvermelding

GREENBERG, Edward S. The American Political System A Radical Approach Edward S. Greenberg. Little, Brown, 1983.

MLA (8e ed.) Bronvermelding

GREENBERG, Edward S. The American Political System A Radical Approach Edward S. Greenberg. Little, Brown, 1983.