Cita APA

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

Chicago Edition Citation

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

Cita MLA

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