Enge, E., Spencer, S., & Stricchiola, J. C. (2015). The Art of SEO: Mastering search engine optimazion (Third Edition.). O'Reilly.
Style de citation Chicago (17e éd.)Enge, Eric, Stephan Spencer, et Jessie C. Stricchiola. The Art of SEO: Mastering Search Engine Optimazion. Third Edition. Beijing: O'Reilly, 2015.
Style de citation MLA (9e éd.)Enge, Eric, et al. The Art of SEO: Mastering Search Engine Optimazion. Third Edition. O'Reilly, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.