Narayanan, P. V., & Sreedevi, K. P. (2018). Professor S Venkatakrishnan: Smrtirekhakal, krthikal, patanam. Pusthakabhavan.
Dyfyniad Arddull ChicagoNarayanan, P V., and K P. Sreedevi. Professor S Venkatakrishnan: Smrtirekhakal, Krthikal, Patanam. Payyannur, Kannur: Pusthakabhavan, 2018.
Dyfyniad MLANarayanan, P V., and K P. Sreedevi. Professor S Venkatakrishnan: Smrtirekhakal, Krthikal, Patanam. Pusthakabhavan, 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.