Lua APA (7ú heag.)

Drucker, P. F. (1967). The effective executive. Heinemann.

Lua i Stíl Chicago (17ú heag.)

Drucker, Peter F. The Effective Executive. London: Heinemann, 1967.

Lua MLA (8ú heag.)

Drucker, Peter F. The Effective Executive. Heinemann, 1967.

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