APA-referens

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

Chicago-stil citat

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

MLA-referens

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