Sproul, R. (1991). Following christ. Tyndale House Pub. Inc..
Lua i Stíl Chicago (17ú heag.)Sproul, R.C. Following Christ. Illinois: Tyndale House Pub. Inc., 1991.
Lua MLA (9ú heag.)Sproul, R.C. Following Christ. Tyndale House Pub. Inc., 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.