Gaya APA

Balaban, N, E., Bobick, J, E. (2011). The handy science answer book (4th ed.). Canton: Visible Ink Press®.

Gaya MLA

Balaban, Naomi, E.., Bobick, James, E.. "The handy science answer book". 4th ed. Canton: Visible Ink Press®, 2011. e-book.