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.
Παραπομπή Chicago StyleZarrella, 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.
Παραπομπή MLAZarrella, 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.
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