एपीए उद्धरण

Coddington, E. A., & Levinson, N. (1955). Theory of Ordinary differential equations.

शिकागो स्टाइल उद्धरण

Coddington, Earl A., और Norman Levinson. Theory of Ordinary Differential Equations. Bombayh, Tata Mc Graw Hill Publishing Company Ltd, 1955.

एमएलए उद्धरण

Coddington, Earl A., और Norman Levinson. Theory of Ordinary Differential Equations. 1955.