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.