APA-referens (7:e uppl.)

Richert, G. H. (1974). Retailing, principles and practices (6th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Richert, Gottlieb Henry. Retailing, Principles and Practices. 6th ed. New York: McGraw-Hill, 1974.

MLA-referens (9:e uppl.)

Richert, Gottlieb Henry. Retailing, Principles and Practices. 6th ed. McGraw-Hill, 1974.