Bittel, L. R., Burke, R. S., & LaForge, R. L. (1984). Business in action: An introduction to business (2nd ed.). Gregg Division/McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Bittel, Lester R., Ronald S. Burke, agus R. Lawrence LaForge. Business in Action: An Introduction to Business. 2nd ed. New York: Gregg Division/McGraw Hill, 1984.
Lua MLA (9ú heag.)Bittel, Lester R., et al. Business in Action: An Introduction to Business. 2nd ed. Gregg Division/McGraw Hill, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.