APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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