Gaya APA

Feys, J. (1973). The philosophy of evolution in Sri Aurobindo and Teilhard de Chardin. Disertasi Ranchi University. . Calcutta: KLMukhopadhyay.

Gaya MLA

Feys, Jan.. "The philosophy of evolution in Sri Aurobindo and Teilhard de Chardin. Disertasi Ranchi University. ". Calcutta: KLMukhopadhyay, 1973. Buku.