APA-referens (7:e uppl.)

Wickersham, E. D. (1956). The "Guaranteed Wage" in Michigan.

Chicago-referens (17:e uppl.)

Wickersham, Edward D. The "Guaranteed Wage" in Michigan. Detroit, 1956.

MLA-referens (8:e uppl.)

Wickersham, Edward D. The "Guaranteed Wage" in Michigan. 1956.