Citazione APA

Hawking, S., & Rajagopal Kamath, A. (2004). Prapancham churungiya vaakkukalil (2nd. ed.). Rainbow Book Publishers.

Stile di citazione Chicago

Hawking, Stephen, e A. Rajagopal Kamath. Prapancham Churungiya Vaakkukalil. 2nd. ed. Chengannur: Rainbow Book Publishers, 2004.

Citazione MLA

Hawking, Stephen, e A. Rajagopal Kamath. Prapancham Churungiya Vaakkukalil. 2nd. ed. Rainbow Book Publishers, 2004.