Peter, K. V. (1996). Pachakkari krishi. State Institute of Languages.
Chicago Style aipamenaPeter, K. V. Pachakkari Krishi. Thiruvananthapuram: State Institute of Languages, 1996.
MLA aipamenaPeter, K. V. Pachakkari Krishi. State Institute of Languages, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.