Still, R. R., Cundiff, E. W., & Govoni, N. A. P. (1988). Sales management: Decisions, strategies, and cases (5th ed.). Prentice-Hall ; Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)Still, Richard Ralph, Edward W. Cundiff, agus Norman A. P. Govoni. Sales Management: Decisions, Strategies, and Cases. 5th ed. Englewood Cliffs, NJ : New Delhi: Prentice-Hall ; Prentice-Hall of India, 1988.
Lua MLA (8ú heag.)Still, Richard Ralph, et al. Sales Management: Decisions, Strategies, and Cases. 5th ed. Prentice-Hall ; Prentice-Hall of India, 1988.
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