Παραπομπή APA

Sneddon, I. N. (1957). Elements of Partial Differential Equations. Mc Graw-Hill.

Παραπομπή Chicago Style

Sneddon, Ian N. Elements of Partial Differential Equations. Auckland: Mc Graw-Hill, 1957.

Παραπομπή MLA

Sneddon, Ian N. Elements of Partial Differential Equations. Mc Graw-Hill, 1957.