Gaya APA

Keller, T, J., Carson, D, A. (2012). Gospel as Center, The : Renewing Our Faith and Reforming Our Ministry Practices . United States of America: Crossway Books.

Gaya MLA

Keller, Timothy, J.., Carson, D., A. "Gospel as Center, The : Renewing Our Faith and Reforming Our Ministry Practices". United States of America: Crossway Books, 2012. Non Fiction.