Lua APA (7ú heag.)

Sisk, H. (1969). Principles of management. South Western Pvt. Ltd.

Lua i Stíl Chicago (17ú heag.)

Sisk, Henry. Principles of Management. Ohio: South Western Pvt. Ltd, 1969.

Lua MLA (9ú heag.)

Sisk, Henry. Principles of Management. South Western Pvt. Ltd, 1969.

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