Duncan, D. J., & Hollander, S. C. (1977). Modern retailing management: Basic concepts and practices (9th ed.). R. D. Irwin.

Duncan, Delbert J., and Stanley C. Hollander. Modern Retailing Management: Basic Concepts and Practices. 9th ed. Homewood, Ill.: R. D. Irwin, 1977.

Duncan, Delbert J., and Stanley C. Hollander. Modern Retailing Management: Basic Concepts and Practices. 9th ed. R. D. Irwin, 1977.