APA (7e ed.) Bronvermelding

Shawyer, D. L. (1956). The Development of theories of retail price determination in England and the United States. University of Illinois Press.

Chicago (17e ed.) Bronvermelding

Shawyer, Donald L. The Development of Theories of Retail Price Determination in England and the United States. Urbana: University of Illinois Press, 1956.

MLA (9e ed.) Bronvermelding

Shawyer, Donald L. The Development of Theories of Retail Price Determination in England and the United States. University of Illinois Press, 1956.