Gaya APA

Budi, R., Dewanto, A. (2010). Having fun with adobe photoshop CS4 (Cet. 1). Gorontalo: Skripta Media Creative.

Gaya MLA

Budi, Ronald., Dewanto, Anggoro. "Having fun with adobe photoshop CS4". Cet. 1 Gorontalo: Skripta Media Creative, 2010. Text.