Lua APA (7ú heag.)

(1993). Management: A Global Perspective / Heinz Weihrich, Harold Koontz. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Management: A Global Perspective / Heinz Weihrich, Harold Koontz. McGraw-Hill, 1993.

Lua MLA (8ú heag.)

Management: A Global Perspective / Heinz Weihrich, Harold Koontz. McGraw-Hill, 1993.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.