Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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