APA استشهاد

Aggarwal, R. S. (1997). Objective arithmetic: Numerical ability tests. S.Chand & Co..

استشهاد بنمط شيكاغو

Aggarwal, R. S. Objective Arithmetic: Numerical Ability Tests. New Delhi: S.Chand & Co., 1997.

MLA استشهاد

Aggarwal, R. S. Objective Arithmetic: Numerical Ability Tests. S.Chand & Co., 1997.