APA (7. basım) Alıntı

Enge Eric, S. S. (2011). Art of SEO. Shroff Publisher.

Chicago Style (17. basım) Atıf

Enge Eric, Spencer Stephan. Art of SEO. Mumbai: Shroff Publisher, 2011.

MLA (9th ed.) Atıf

Enge Eric, Spencer Stephan. Art of SEO. Shroff Publisher, 2011.