Winkler, J. (1989). Winning sales and marketing tactics. Butterworths-Heinemann.
Chicago Style (17th ed.) CitationWinkler, John. Winning Sales and Marketing Tactics. Oxford: Butterworths-Heinemann, 1989.
MLA (9th ed.) CitationWinkler, John. Winning Sales and Marketing Tactics. Butterworths-Heinemann, 1989.
Warning: These citations may not always be 100% accurate.