APA استشهاد

Sundharam, K., & Sundharam, E. (1999). Business economics (4th rev. ed.). S.Chand.

استشهاد بنمط شيكاغو

Sundharam, K.P.M, و E.N Sundharam. Business Economics. 4th rev. ed. New Delhi: S.Chand, 1999.

MLA استشهاد

Sundharam, K.P.M, و E.N Sundharam. Business Economics. 4th rev. ed. S.Chand, 1999.