Gupta, S. L., & Nisha, R. (1979). Fundamental Real Analysis. Vikas Publishing House.
Cita Chicago (17th ed.)Gupta, S. L., i Rani Nisha. Fundamental Real Analysis. New Delhi: Vikas Publishing House, 1979.
Cita MLA (9th ed.)Gupta, S. L., i Rani Nisha. Fundamental Real Analysis. Vikas Publishing House, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.