Cita APA (7th ed.)

Heizer, J. H., & Render, B. (2001). Principles of operations management (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Heizer, Jay H., i Barry Render. Principles of Operations Management. 4th ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Cita MLA (9th ed.)

Heizer, Jay H., i Barry Render. Principles of Operations Management. 4th ed. Prentice Hall, 2001.