APA Citatie

Duncan, D. J., & Phillips, C. F. (1959). Retailing: Principles and methods (5th ed.). Richard Dirwin, INC.

Chicago Style citaat

Duncan, Delbert J., en Charles F. Phillips. Retailing: Principles and Methods. 5th ed. Homewood: Richard Dirwin, INC, 1959.

MLA citatie

Duncan, Delbert J., en Charles F. Phillips. Retailing: Principles and Methods. 5th ed. Richard Dirwin, INC, 1959.