Philip, C., & Boley, F. I. (1974). Plasma -Pariksnasalayilum prapancattilum. State Institute of Languages.
Chicago Style aipamenaPhilip, C.C, and Forest. I. Boley. Plasma -Pariksnasalayilum Prapancattilum. Trivandrum: State Institute of Languages, 1974.
MLA aipamenaPhilip, C.C, and Forest. I. Boley. Plasma -Pariksnasalayilum Prapancattilum. State Institute of Languages, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.