एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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