APA aipamena

P Sethumadhavan. (2010). Stephen Hawking jeevikkunna oru ithihasam. Lipi publications.

Chicago Style aipamena

P Sethumadhavan. Stephen Hawking Jeevikkunna Oru Ithihasam. Kozhikode: Lipi publications, 2010.

MLA aipamena

P Sethumadhavan. Stephen Hawking Jeevikkunna Oru Ithihasam. Lipi publications, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.