Παραπομπή APA

Sinha, H. (1972). Three Dimensional differential geometry. S. Chand and company.

Παραπομπή Chicago Style

Sinha, H.C. Three Dimensional Differential Geometry. N. Delhi: S. Chand and company, 1972.

Παραπομπή MLA

Sinha, H.C. Three Dimensional Differential Geometry. S. Chand and company, 1972.