Παραπομπή APA

Petersen, C. H., & Lewis, W. C. J. (2006). Managerial economics (4th ed.). Pearson.

Παραπομπή Chicago Style

Petersen, Craig H., και W Cris Jain Lewis. Managerial Economics. 4th ed. Noida: Pearson, 2006.

Παραπομπή MLA

Petersen, Craig H., και W Cris Jain Lewis. Managerial Economics. 4th ed. Pearson, 2006.