Gaya APA

Oetomo, B, S, D. et al (2009). Cara cerdas optimalkan search engine (Ed.1, Cet.2). Yogyakarta: Explore.

Gaya MLA

Oetomo, Budi, Sutedjo, Dharma. et al. "Cara cerdas optimalkan search engine". Ed.1, Cet.2 Yogyakarta: Explore, 2009. Textbook.