APA-referens

Oetti, W., & Ritter, K. (1976). Optimizations and operations research. Springer - Verlag.

Chicago-stil citat

Oetti, W., och K. Ritter. Optimizations and Operations Research. New York: Springer - Verlag, 1976.

MLA-referens

Oetti, W., och K. Ritter. Optimizations and Operations Research. Springer - Verlag, 1976.