Mathew, K. (1987). Manaorama Year book-1987: Twentysecond year of publication. Malayala manorama.
Chicago Style aipamenaMathew, K.M. Manaorama Year Book-1987: Twentysecond Year of Publication. Kottayam: Malayala manorama, 1987.
MLA aipamenaMathew, K.M. Manaorama Year Book-1987: Twentysecond Year of Publication. Malayala manorama, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.