APA način citiranja

Gopalakrishnan Perumpuzha. (2016). O N V Ormakalil Sugandham. Prabhath Book House.

Čikaški stil citiranja

Gopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Thiruvananthapuram: Prabhath Book House, 2016.

MLA način citiranja

Gopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Prabhath Book House, 2016.