McGavran, D. A. (1972). Crucial issues in missions tomorrow. Moody Press.
Lua i Stíl Chicago (17ú heag.)McGavran, Donald Anderson. Crucial Issues in Missions Tomorrow. Chicago: Moody Press, 1972.
Lua MLA (9ú heag.)McGavran, Donald Anderson. Crucial Issues in Missions Tomorrow. Moody Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.