Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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