Zarrella, D. (2013). The science of marketing: When to tweet, what to post, how to blog, and other proven strategies. Hoboken, New Jersey: John Wiley & Sons, Inc.
استشهاد بنمط شيكاغوZarrella, Dan. The Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. Hoboken, New Jersey: John Wiley & Sons, Inc, 2013.
MLA استشهادZarrella, Dan. The Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. Hoboken, New Jersey: John Wiley & Sons, Inc, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.