Debiprasad Chathopadhyaya & Unithiri N V P. (1990). Sasthravum darsanavum pracheena Bharatathil. Chintha.
Chicago Style aipamenaDebiprasad Chathopadhyaya and Unithiri N V P. Sasthravum Darsanavum Pracheena Bharatathil. Thiruvanathapuram: Chintha, 1990.
MLA aipamenaDebiprasad Chathopadhyaya and Unithiri N V P. Sasthravum Darsanavum Pracheena Bharatathil. Chintha, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.