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Gaya APA

Fishkin, E, E, S, S, J, S, A, R. (2012). The Art of SEO Mastering Search Engine Optimization . Indonesia: .

Gaya MLA

Fishkin, Eric, Enge,, Stephan, Spencer,, Jessie, Stricchiola, And, Rand. "The Art of SEO Mastering Search Engine Optimization". Indonesia: , 2012. Text.