Weihrich, H. (1993). Management: a global perspective.: 10th ed. McGraw-Hill.
Dyfyniad Arddull ChicagoWeihrich, Heinz. Management: A Global Perspective.: 10th Ed. New York: McGraw-Hill, 1993.
Dyfyniad MLAWeihrich, Heinz. Management: A Global Perspective.: 10th Ed. McGraw-Hill, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.