Lua APA (7ú heag.)

Drucker, P. F. (2001). The Essential Drucker. Butterworth- Heinemann.

Lua i Stíl Chicago (17ú heag.)

Drucker, Peter F. The Essential Drucker. New Delhi: Butterworth- Heinemann, 2001.

Lua MLA (9ú heag.)

Drucker, Peter F. The Essential Drucker. Butterworth- Heinemann, 2001.

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