Soman, P. (1991). Poonthanam patavum patanavum (m). State Institute of Languages.
Chicago Style aipamenaSoman, P. Poonthanam Patavum Patanavum (m). TVPM: State Institute of Languages, 1991.
MLA aipamenaSoman, P. Poonthanam Patavum Patanavum (m). State Institute of Languages, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.