Gopalavarior, K. (2009). Thunchathezhuthachan: Bhajana nama siddanthathinte acharyan. Samayam publications.
Chicago Style aipamenaGopalavarior, K.V. Thunchathezhuthachan: Bhajana Nama Siddanthathinte Acharyan. Kannur: Samayam publications, 2009.
MLA aipamenaGopalavarior, K.V. Thunchathezhuthachan: Bhajana Nama Siddanthathinte Acharyan. Samayam publications, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.