Gaya APA

Nasr, S, H. (1978). An introduction to islamic cosmological doctrines Conceptions of nature and methods used for its study by the Ikhwan Al Safa, Al Biruni, and Ibn Sina . : shambhala.

Gaya MLA

Nasr, Seyyed, Hossein. "An introduction to islamic cosmological doctrines Conceptions of nature and methods used for its study by the Ikhwan Al Safa, Al Biruni, and Ibn Sina". : shambhala, 1978. Text.