Southwick, L. (1985). Managerial Economics/lawrence Southwick. Business Publications.
Lua i Stíl Chicago (17ú heag.)Southwick, Lawrence. Managerial Economics/lawrence Southwick. Business Publications, 1985.
Lua MLA (8ú heag.)Southwick, Lawrence. Managerial Economics/lawrence Southwick. Business Publications, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.