W. L. Hill Charles. (1997). International Business Competing in the Global Marketplace (In lần thứ 1.). American: Higher Education Group.
Styl cytowania ChicagoW. L. Hill Charles. International Business Competing in the Global Marketplace. In lần thứ 1. American: Higher Education Group, 1997.
Styl cytowania MLAW. L. Hill Charles. International Business Competing in the Global Marketplace. In lần thứ 1. American: Higher Education Group, 1997.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..