Παραπομπή APA

Vijayaraghavan, V. (1981). Perturbation methods. Department of Mathematics, CUSAT.

Παραπομπή Chicago Style

Vijayaraghavan, V. Perturbation Methods. Kochi: Department of Mathematics, CUSAT, 1981.

Παραπομπή MLA

Vijayaraghavan, V. Perturbation Methods. Department of Mathematics, CUSAT, 1981.