Petersen, H. C., & Lewis, W. C. (1994). Managerial economics (Third edition.). Macmillan Pub. Co. : Maxwell Macmillan International ; Maxwell Macmillan Canada, ; Prientice Hall.
Lua i Stíl Chicago (17ú heag.)Petersen, Harold Craig, agus W. Cris Lewis. Managerial Economics. Third edition. New York : Toronto : New Delhi: Macmillan Pub. Co. : Maxwell Macmillan International ; Maxwell Macmillan Canada, ; Prientice Hall, 1994.
Lua MLA (8ú heag.)Petersen, Harold Craig, agus W. Cris Lewis. Managerial Economics. Third edition. Macmillan Pub. Co. : Maxwell Macmillan International ; Maxwell Macmillan Canada, ; Prientice Hall, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.