Chapra, M. U., & Muohammad, T. (1995). Islam and the economic challenge. Islamic Foundation and The International Institute of Islamic Thought.
Lua i Stíl Chicago (17ú heag.)Chapra, M. Umer, agus Tarjamat Muohammad. Islam and the Economic Challenge. Herndon, Va: Islamic Foundation and The International Institute of Islamic Thought, 1995.
Lua MLA (9ú heag.)Chapra, M. Umer, agus Tarjamat Muohammad. Islam and the Economic Challenge. Islamic Foundation and The International Institute of Islamic Thought, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.