Παραπομπή APA

Mittal, P. K. (1995). Partial differential equations in physics.

Παραπομπή Chicago Style

Mittal, P K. Partial Differential Equations in Physics. Har-Anand Publications, New Delhi, 1995.

Παραπομπή MLA

Mittal, P K. Partial Differential Equations in Physics. 1995.