Needle, D. (2009). Business in context: An introduction to business and its environment (Cuarta edición.). South-Western. Cengage Learning.
Citace podle Chicago (17th ed.)Needle, David. Business in Context: An Introduction to Business and Its Environment. Cuarta edición. Londres: South-Western. Cengage Learning, 2009.
Citace podle MLA (8th ed.)Needle, David. Business in Context: An Introduction to Business and Its Environment. Cuarta edición. South-Western. Cengage Learning, 2009.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..