APA-referens (7:e uppl.)

ebrary, Inc, Howard-Hassmann, R. E., & Welch, C. E. (2006). Economic rights in Canada and the United States. University of Pennsylvania Press.

Chicago-referens (17:e uppl.)

ebrary, Inc, Rhoda E. Howard-Hassmann, och Claude Emerson Welch. Economic Rights in Canada and the United States. Philadelphia, PA: University of Pennsylvania Press, 2006.

MLA-referens (9:e uppl.)

ebrary, Inc, et al. Economic Rights in Canada and the United States. University of Pennsylvania Press, 2006.