Hill, C. W., & McKaig, T. (2006). Global business today (Canadian ed.). McGraw-Hill/Rryerson.
Lua i Stíl Chicago (17ú heag.)Hill, Charles W., agus Thomas McKaig. Global Business Today. Canadian ed. Toronto, Ontario: McGraw-Hill/Rryerson, 2006.
Lua MLA (9ú heag.)Hill, Charles W., agus Thomas McKaig. Global Business Today. Canadian ed. McGraw-Hill/Rryerson, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.