APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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