Gaya APA

Dkk, G, B, K, J, L. (2004). WORLD BOOK'S CHILDCRAFT: HOW THINGS WORK (12). USA: World Book, Inc..

Gaya MLA

Dkk, G., Brian, Karas,, Joe, Lemonnier,. "WORLD BOOK'S CHILDCRAFT: HOW THINGS WORK". 12 USA: World Book, Inc., 2004. Text.