Παραπομπή APA

Vaheeda, M. (1987). Perturbation techniques. Department of Mathematics, CUSAT.

Παραπομπή Chicago Style

Vaheeda, M. Perturbation Techniques. Kochi: Department of Mathematics, CUSAT, 1987.

Παραπομπή MLA

Vaheeda, M. Perturbation Techniques. Department of Mathematics, CUSAT, 1987.