Cita APA (7th ed.)
Petersen, H. C., & Lewis, W. C. (1999). Managerial economics (4th ed.). Prentice Hall.
Cita Chicago (17th ed.)
Petersen, H. Craig, i W. Cris Lewis. Managerial Economics. 4th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 1999.
Cita MLA (9th ed.)
Petersen, H. Craig, i W. Cris Lewis. Managerial Economics. 4th ed. Prentice Hall, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.