Style de citation APA (7e éd.)

Kumar, K. (1987). Reference service (5th rev. ed.). Vikas.

Style de citation Chicago (17e éd.)

Kumar, Krishan. Reference Service. 5th rev. ed. New Delhi: Vikas, 1987.

Style de citation MLA (9e éd.)

Kumar, Krishan. Reference Service. 5th rev. ed. Vikas, 1987.