Gaya APA

Jennings, R, E, (, E., Friedrich, N, A, (, A. (2006). Simple Simon: the companion study guide for Proof and consequence . onc: .

Gaya MLA

Jennings, R., E., (Raymond, Earl)., Friedrich, N., A., (Nicole, Amber),. "Simple Simon: the companion study guide for Proof and consequence". onc: , 2006. print.