Cita APA (7th ed.)
Petersen, H. C., & Lewis, W. (1999). Managerial Economics (4th ed.). Pearson Education.
Cita Chicago (17th ed.)
Petersen, H. Craig, i W.Cris Lewis. Managerial Economics. 4th ed. Singapore: Pearson Education, 1999.
Cita MLA (9th ed.)
Petersen, H. Craig, i W.Cris Lewis. Managerial Economics. 4th ed. Pearson Education, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.