Davis, J. (2007). Magic numbers for consumer marketing: Key measures to evaluate marketing success. Wiley India.
शिकागो स्टाइल उद्धरणDavis, John. Magic Numbers for Consumer Marketing: Key Measures to Evaluate Marketing Success. New Delhi: Wiley India, 2007.
एमएलए उद्धरणDavis, John. Magic Numbers for Consumer Marketing: Key Measures to Evaluate Marketing Success. Wiley India, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.