APA استشهاد

Nemmers, E. E. (1962). Managerial economics: Text and cases. John Wiley & sons.

استشهاد بنمط شيكاغو

Nemmers, Erwin Esser. Managerial Economics: Text and Cases. NewYork: John Wiley & sons, 1962.

MLA استشهاد

Nemmers, Erwin Esser. Managerial Economics: Text and Cases. John Wiley & sons, 1962.