ZWEMER, S. (1976). The mohammedan World of to-day. Chugh pub..
Lua i Stíl Chicago (17ú heag.)ZWEMER, S.M. The Mohammedan World of To-day. Allahabad: Chugh pub., 1976.
Lua MLA (9ú heag.)ZWEMER, S.M. The Mohammedan World of To-day. Chugh pub., 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.