APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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