APA-viite

KOONTZ, H., & WEIHRICH, H. (2004). ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE (6.).

Chicago-tyylinen lähdeviittaus

KOONTZ, HAROLD, ja HEINZ WEIHRICH. ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE. 6. NEW DELHI, TATA McGRAW-HILL PUBLISHING COMPANY, 2004.

MLA-viite

KOONTZ, HAROLD, ja HEINZ WEIHRICH. ESSENTIALS OF MANAGEMENT: AN INTERNATIONAL PERSPECTIVE. 6. 2004.