APA aipamena

Robertson, D. H., & Bellenger, D. N. (1980). Sales management: Decision making for improved profitability. New York: Macmillan.

Chicago Style aipamena

Robertson, Dan H., và Danny N. Bellenger. Sales Management: Decision Making for Improved Profitability. New York: Macmillan, 1980.

MLA aipamena

Robertson, Dan H., và Danny N. Bellenger. Sales Management: Decision Making for Improved Profitability. New York: Macmillan, 1980.