APA (7th ed.) Zitazioa
Roetzer, P. (2012). The marketing agency blueprint: The handbook for building hybrid PR, SEO, content, advertising, and Web firms. Wiley.
Chicago Style (17th ed.) Zitazioa
Roetzer, Paul. The Marketing Agency Blueprint: The Handbook for Building Hybrid PR, SEO, Content, Advertising, and Web Firms. Hoboken, N.J.: Wiley, 2012.
MLA (9th ed.) Zitazioa
Roetzer, Paul. The Marketing Agency Blueprint: The Handbook for Building Hybrid PR, SEO, Content, Advertising, and Web Firms. Wiley, 2012.
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