APA

Parameswaran Pillai K. G., .Upanyasamala (m). : Sreeramavilasam Press, Kollam.

Chicago

Parameswaran Pillai K G, .Upanyasamala (m). : Sreeramavilasam Press, Kollam.

Harvard

Parameswaran Pillai K. G., .Upanyasamala (m). : Sreeramavilasam Press, Kollam.

MLA

Parameswaran Pillai K G, .: Sreeramavilasam Press, Kollam. .