Koontz, Harold
Essentials of management / Harold Koontz, Cyril O´Donnell, Heinz Weihrich. — 4th ed. — New York : McGraw-Hill, [1986]. — 564 p. : tab. ; 24 cm. — ISBN 0-07-035516-9 1. Empresas - Gestión. I. O´Donnell, Cyril. II. Weihrich, Heinz. 658.012