Gaya APA

Puspitosari, H, A., Dewanto, A. (2010). Having fun with microsoft exel 2007 (cet. 1). Gorontalo: Skripta Media Creative.

Gaya MLA

Puspitosari, Heni, A.., Dewanto, Anggoro. "Having fun with microsoft exel 2007". cet. 1 Gorontalo: Skripta Media Creative, 2010. Text.