Dyfyniad APA

Optner, S. L. (1975). Systems analysis for business management (3rd ed.).

Dyfyniad Arddull Chicago

Optner, Stanford L. Systems Analysis for Business Management. 3rd ed. 1975.

Dyfyniad MLA

Optner, Stanford L. Systems Analysis for Business Management. 3rd ed. 1975.

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