Chapra, M. U. (1992). Islam and the economic challenge. Islamic Foundation ; International Institute of Islamic Thought.
Lua i Stíl Chicago (17ú heag.)Chapra, M. Umer. Islam and the Economic Challenge. Leicester, UK : Herndon, VA: Islamic Foundation ; International Institute of Islamic Thought, 1992.
Lua MLA (8ú heag.)Chapra, M. Umer. Islam and the Economic Challenge. Islamic Foundation ; International Institute of Islamic Thought, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.