APA

Krishna Pillai K. R., .Upanyasamala (m). : S R Book Depot, TVPM.

Chicago

Krishna Pillai K R, .Upanyasamala (m). : S R Book Depot, TVPM.

Harvard

Krishna Pillai K. R., .Upanyasamala (m). : S R Book Depot, TVPM.

MLA

Krishna Pillai K R, .: S R Book Depot, TVPM. .