Gaya APA

Gonzales, G., Richards, J, W. (2013). Christian Answers to Hard Questions : Creation, Evolution, and Intelligent Design . United States of America: Westminster Seminary Press.

Gaya MLA

Gonzales, Guillermo., Richards, Jay, W.. "Christian Answers to Hard Questions : Creation, Evolution, and Intelligent Design". United States of America: Westminster Seminary Press, 2013. Academic.