APA aipamena

Gopi Puthukode. (2014). PN Panicker. State Institute of Languages.

Chicago Style aipamena

Gopi Puthukode. PN Panicker. Thiruvananthapuram: State Institute of Languages, 2014.

MLA aipamena

Gopi Puthukode. PN Panicker. State Institute of Languages, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.