Cita APA (7th ed.)
Heizer, J., & Render, B. (2008). Principles of operations management (7th ed.). Pearson Prentice Hall.
Cita Chicago (17th ed.)
Heizer, Jay, i Barry Render. Principles of Operations Management. 7th ed. New Jersy: Pearson Prentice Hall, 2008.
Cita MLA (9th ed.)
Heizer, Jay, i Barry Render. Principles of Operations Management. 7th ed. Pearson Prentice Hall, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.