Gopalakrishnan, N. (2015). Gaveshana reethi sasthram (2nd ed.). Kerala Basha Institute.
Chicago Edition CitationGopalakrishnan, Naduvattom. Gaveshana Reethi Sasthram. 2nd ed. Thiruvananthapuram: Kerala Basha Institute, 2015.
Cita MLAGopalakrishnan, Naduvattom. Gaveshana Reethi Sasthram. 2nd ed. Kerala Basha Institute, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.