Duncan, D. J., & Hollander, S. C. (1977). Modern retailing management: Basic concepts and practices (9th ed.). R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Duncan, Delbert J., agus Stanley C. Hollander. Modern Retailing Management: Basic Concepts and Practices. 9th ed. Homewood, Ill.: R. D. Irwin, 1977.
Lua MLA (8ú heag.)Duncan, Delbert J., agus Stanley C. Hollander. Modern Retailing Management: Basic Concepts and Practices. 9th ed. R. D. Irwin, 1977.
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