Dyfyniad APA

Simon, L. (1976). Operation research. IBM research center.

Dyfyniad Arddull Chicago

Simon, Leonard. Operation Research. York town: IBM research center, 1976.

Dyfyniad MLA

Simon, Leonard. Operation Research. IBM research center, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.