Παραπομπή APA

Hawking, S. W. (1994). Kalathinte oru samkshiptha charithram. Pentagon Books.

Παραπομπή Chicago Style

Hawking, Stephen W. Kalathinte Oru Samkshiptha Charithram. Calicut: Pentagon Books, 1994.

Παραπομπή MLA

Hawking, Stephen W. Kalathinte Oru Samkshiptha Charithram. Pentagon Books, 1994.