APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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