Zimmerer, T. W., & Scarborough, N. M. (1988). Small business fundamentals. Merrill.
Lua i Stíl Chicago (17ú heag.)Zimmerer, Thomas W., agus Norman M. Scarborough. Small Business Fundamentals. Columbus, Ohio: Merrill, 1988.
Lua MLA (9ú heag.)Zimmerer, Thomas W., agus Norman M. Scarborough. Small Business Fundamentals. Merrill, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.