एपीए उद्धरण

Tolle, H. (1975). Optimization methods. Springer - Verlag.

शिकागो स्टाइल उद्धरण

Tolle, Henning. Optimization Methods. New York: Springer - Verlag, 1975.

एमएलए उद्धरण

Tolle, Henning. Optimization Methods. Springer - Verlag, 1975.