एपीए उद्धरण

Gopal , S. (1989). Radhakrishnan: A biography. OUP.

शिकागो स्टाइल उद्धरण

Gopal , Sarvepalli. Radhakrishnan: A Biography. Delhi: OUP, 1989.

एमएलए उद्धरण

Gopal , Sarvepalli. Radhakrishnan: A Biography. OUP, 1989.