Cita APA (7th ed.)

Petersen, H. C., & Lewis, W. C. (1990). Managerial economics (2a. ed.). Mac Millan.

Cita Chicago (17th ed.)

Petersen, Harold Craig, i W. Cris Lewis. Managerial Economics. 2a. ed. Nueva York: Mac Millan, 1990.

Cita MLA (9th ed.)

Petersen, Harold Craig, i W. Cris Lewis. Managerial Economics. 2a. ed. Mac Millan, 1990.