MAUSER, F. F., & SCHWARTZ, D. J. (1982). Americcan business: An introduction.-- Ed.5. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)MAUSER, Ferdinand F., agus David J. SCHWARTZ. Americcan Business: An Introduction.-- Ed.5. San Diego: Harcourt Brace Jovanovich, 1982.
Lua MLA (9ú heag.)MAUSER, Ferdinand F., agus David J. SCHWARTZ. Americcan Business: An Introduction.-- Ed.5. Harcourt Brace Jovanovich, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.