APA استشهاد

Rivett, P. (1968). Concepts of operational research. C A Watts.

استشهاد بنمط شيكاغو

Rivett, Patrick. Concepts of Operational Research. London: C A Watts, 1968.

MLA استشهاد

Rivett, Patrick. Concepts of Operational Research. C A Watts, 1968.