Gopalakrishnan Perumpuzha. (2016). O N V Ormakalil Sugandham. Prabhath Book House.
Chicago Edition CitationGopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Thiruvananthapuram: Prabhath Book House, 2016.
Cita MLAGopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Prabhath Book House, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.