Lua APA (7ú heag.)
Bockmuhl, K. (1980). The challenge of Marxism: A Christian response. Intervarsity Press.
Lua i Stíl Chicago (17ú heag.)
Bockmuhl, Klaus. The Challenge of Marxism: A Christian Response. Downers Grove, Ill.: Intervarsity Press, 1980.
Lua MLA (9ú heag.)
Bockmuhl, Klaus. The Challenge of Marxism: A Christian Response. Intervarsity Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.