APA-viite (7. p.)

Gupta, D. P. P. (2000). Tensors and differential geometry. Pragati.

Chicago-viite (17. p.)

Gupta, Dr. P. P. Tensors and Differential Geometry. Merrut: Pragati, 2000.

MLA-viite (9. p.)

Gupta, Dr. P. P. Tensors and Differential Geometry. Pragati, 2000.