Mumford, B. (1973). The purpose of temptation. Fleming H.Revell.
Lua i Stíl Chicago (17ú heag.)Mumford, Bob. The Purpose of Temptation. Old Tappan: Fleming H.Revell, 1973.
Lua MLA (9ú heag.)Mumford, Bob. The Purpose of Temptation. Fleming H.Revell, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.