Παραπομπή APA

Amarnath, T. (1997). Elementary course in partial differential equations. Narosa.

Παραπομπή Chicago Style

Amarnath, T. Elementary Course in Partial Differential Equations. Chennai: Narosa, 1997.

Παραπομπή MLA

Amarnath, T. Elementary Course in Partial Differential Equations. Narosa, 1997.