एपीए उद्धरण

Sneddon, I. N. Elements of partial differential equations. Mc Graw Hill.

शिकागो स्टाइल उद्धरण

Sneddon, Ian N. Elements of Partial Differential Equations. N. Delhi: Mc Graw Hill.

एमएलए उद्धरण

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