Zarrella, D. (2013). Science of marketing: When to tweet, what to post, how to blog, and other proven strategies (1st edition.). Wiley.
Cita Chicago Style (17a ed.)Zarrella, Dan. Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. 1st edition. Hoboken: Wiley, 2013.
Cita MLA (9a ed.)Zarrella, Dan. Science of Marketing: When to Tweet, What to Post, How to Blog, and Other Proven Strategies. 1st edition. Wiley, 2013.
Precaución: Estas citas no son 100% exactas.