Παραπομπή APA

Darwin, C., & Sivarama Panicker, K. (2003). Jeevivargangalude udbhavam. Indian Atheist publishers.

Παραπομπή Chicago Style

Darwin, Charles, και K.R Sivarama Panicker. Jeevivargangalude Udbhavam. New Delhi: Indian Atheist publishers, 2003.

Παραπομπή MLA

Darwin, Charles, και K.R Sivarama Panicker. Jeevivargangalude Udbhavam. Indian Atheist publishers, 2003.