Holtz, H. (1999). The concise guide to becoming an independent consultant. New York: John Wiley & Sons, Inc.
शिकागो स्टाइल उद्धरणHoltz, Herman. The Concise Guide to Becoming an Independent Consultant. New York: John Wiley & Sons, Inc, 1999.
एमएलए उद्धरणHoltz, Herman. The Concise Guide to Becoming an Independent Consultant. New York: John Wiley & Sons, Inc, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.