Citazione APA

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

Stile di citazione Chicago

Gupta, S.L, e Gupta,N.R. Principles of Real Analysis. 2nd ed. Delhi: Pearson Education, 2003.

Citazione MLA

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