Dyfyniad APA

U.K.Singh & Sudarshan,K.N. (2004). Distance education. Discovery.

Dyfyniad Arddull Chicago

U.K.Singh and Sudarshan,K.N. Distance Education. New Delhi: Discovery, 2004.

Dyfyniad MLA

U.K.Singh and Sudarshan,K.N. Distance Education. Discovery, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.