APA (7th ed.) Zitazioa
Still, R. R., Cundiff, E. W., & Govoni, N. A. P. (1988). Sales management: Decisions, strategies, and cases (5th ed.). Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Still, Richard Ralph, Edward W. Cundiff, eta Norman A. P. Govoni. Sales Management: Decisions, Strategies, and Cases. 5th ed. New Delhi: Prentice-Hall, 1988.
MLA (9th ed.) Zitazioa
Still, Richard Ralph, et al. Sales Management: Decisions, Strategies, and Cases. 5th ed. Prentice-Hall, 1988.
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