एपीए उद्धरण

Powers, D. L. (1999). Boundary value problems (4th ed.). Academic press.

शिकागो स्टाइल उद्धरण

Powers, David L. Boundary Value Problems. 4th ed. Academic press, 1999.

एमएलए उद्धरण

Powers, David L. Boundary Value Problems. 4th ed. Academic press, 1999.