Cita APA (7th ed.)

Duncan, D. J., & Phillips, C. F. (1967). Retailing: Principles and methods (7th ed.). Irwin.

Cita Chicago (17th ed.)

Duncan, Delbert J., i Charles Franklin Phillips. Retailing: Principles and Methods. 7th ed. Homewood, Ill: Irwin, 1967.

Cita MLA (9th ed.)

Duncan, Delbert J., i Charles Franklin Phillips. Retailing: Principles and Methods. 7th ed. Irwin, 1967.