Swindoll, Charles R. (2003). Simple Faith. Thomas Nelson, Inc. ISBN9781418518776. Archived from the original on June 28, 2014. Retrieved March 11, 2012.
Swindoll, Charles R. (2003). Simple Faith. Thomas Nelson, Inc. ISBN9781418518776. Archived from the original on June 28, 2014. Retrieved March 11, 2012.