APA (7th ed.) Citation

Zarrella, D., & Zarrella, A. (2011). Das Facebook Marketing-Buch. O'Reilly.

Chicago Style (17th ed.) Citation

Zarrella, Dan, and Alison Zarrella. Das Facebook Marketing-Buch. Köln: O'Reilly, 2011.

MLA (9th ed.) Citation

Zarrella, Dan, and Alison Zarrella. Das Facebook Marketing-Buch. O'Reilly, 2011.