Johnson, K. (1988). Marketing 1989-90. Harvard Business School Career Guide.
शिकागो स्टाइल उद्धरणJohnson, Kthleen. Marketing 1989-90. Boston: Harvard Business School Career Guide, 1988.
एमएलए उद्धरणJohnson, Kthleen. Marketing 1989-90. Harvard Business School Career Guide, 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.