APA ציטוט

Sneddon, I. N. (1957). Elements of partial differential equations. Mc Graw - Hill.

Chicago Edition Citation

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

ציטוט MLA

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