APA استشهاد

Gupta, S. L., & Gupta , N. R. (2003). Principles of real analysis (2nd ed.). Pearson education.

استشهاد بنمط شيكاغو

Gupta, S. L., و N. R. Gupta. Principles of Real Analysis. 2nd ed. New Delhi: Pearson education, 2003.

MLA استشهاد

Gupta, S. L., و N. R. Gupta. Principles of Real Analysis. 2nd ed. Pearson education, 2003.