Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.