एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Sneddon, Ian N. Elements of Partial Differential Equations. 1957.

एमएलए उद्धरण

Sneddon, Ian N. Elements of Partial Differential Equations. 1957.