Weihrich, H., & Koontz, H. (2013). Management: A global, innovative and entrepreneurial perspective (14th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Weihrich, Heinz, agus Harold Koontz. Management: A Global, Innovative and Entrepreneurial Perspective. 14th ed. New York : New Delhi: McGraw-Hill, 2013.
Lua MLA (8ú heag.)Weihrich, Heinz, agus Harold Koontz. Management: A Global, Innovative and Entrepreneurial Perspective. 14th ed. McGraw-Hill, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.