Gopalavarior, K. (2009). Thunchathezhuthachan: Bhajana nama siddanthathinte acharyan. Samayam publications.
Dyfyniad Arddull ChicagoGopalavarior, K.V. Thunchathezhuthachan: Bhajana Nama Siddanthathinte Acharyan. Kannur: Samayam publications, 2009.
Dyfyniad MLAGopalavarior, K.V. Thunchathezhuthachan: Bhajana Nama Siddanthathinte Acharyan. Samayam publications, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.