APA (7 वां संस्करण) प्रशस्ति पत्र
Zarrella, D. (2013). Science of marketing: When to tweet, what to post, how to blog, and other proven strategies. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Zarrella, Dan. Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. Hoboken: Wiley, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Zarrella, Dan. Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. Wiley, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.