Gupta, K. P. (1995). Tensor and Differential Geometry. Modern Book Centre.
Cita Chicago (17th ed.)Gupta, K. P. Tensor and Differential Geometry. Meerut: Modern Book Centre, 1995.
Cita MLA (9th ed.)Gupta, K. P. Tensor and Differential Geometry. Modern Book Centre, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.