Boone, L. E., & Kurtz, D. L. (1979). Contemporary business (2nd ed.). The Dryden Press.
Lua i Stíl Chicago (17ú heag.)Boone, Louis E., agus David L. Kurtz. Contemporary Business. 2nd ed. Hinsdale: The Dryden Press, 1979.
Lua MLA (9ú heag.)Boone, Louis E., agus David L. Kurtz. Contemporary Business. 2nd ed. The Dryden Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.