Cita APA

Sasieni, M., Yaspan, A., & Friedman, L. (1959). Operation research: Methods and problems. Ioppan company.

Chicago Edition Citation

Sasieni, Maurice, Arthur Yaspan, i Lawrence Friedman. Operation Research: Methods and Problems. New York: Ioppan company, 1959.

Cita MLA

Sasieni, Maurice, et al. Operation Research: Methods and Problems. Ioppan company, 1959.