Donaldson, B. (1998). Sales management: Theory and practice (2nd ed.). Basingstoke: Macmillan Business.
शिकागो स्टाइल उद्धरणDonaldson, Bill. Sales Management: Theory and Practice. 2nd ed. Basingstoke: Macmillan Business, 1998.
एमएलए उद्धरणDonaldson, Bill. Sales Management: Theory and Practice. 2nd ed. Basingstoke: Macmillan Business, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.