Duncan, D. J., & Phillips, C. F. (1967). Retailing: Principles and methods (7th ed.). Irwin.
Čikaški stil citiranja (17. izdanje)Duncan, Delbert J., i Charles Franklin Phillips. Retailing: Principles and Methods. 7th ed. Homewood, Ill: Irwin, 1967.
MLA način citiranja (9. izdanje)Duncan, Delbert J., i Charles Franklin Phillips. Retailing: Principles and Methods. 7th ed. Irwin, 1967.
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