Gaya APA

Hartono, B, S, D, O, J, C, E. (2009). Cara Cerdas Optimalkan SEARCH ENGINE (1). Yogyakarta: Explore.

Gaya MLA

Hartono, Budi, Sutedja, Dharma, Oetomo,, Jessica, Christie,, Eddy. "Cara Cerdas Optimalkan SEARCH ENGINE". 1 Yogyakarta: Explore, 2009. Text.