Παραπομπή APA

Petersen, H. C., & Lewis, W. C. (1999). Managerial economics (4th ed.). Prentice Hall.

Παραπομπή Chicago Style

Petersen, Harold Craig, και W. Cris Lewis. Managerial Economics. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 1999.

Παραπομπή MLA

Petersen, Harold Craig, και W. Cris Lewis. Managerial Economics. 4th ed. Prentice Hall, 1999.