Cheriyan Kuniyanthodath. (1997). Malayala bhashayum Dr. Herman Gundertum. P K Brothers.
Chicago Style aipamenaCheriyan Kuniyanthodath. Malayala Bhashayum Dr. Herman Gundertum. Kozhikode: P K Brothers, 1997.
MLA aipamenaCheriyan Kuniyanthodath. Malayala Bhashayum Dr. Herman Gundertum. P K Brothers, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.