Needle, D. (2009). Business in context: An introduction to business and its environment (Cuarta edición.). South-Western. Cengage Learning.
Chicago Style aipamenaNeedle, David. Business in Context: An Introduction to Business and Its Environment. Cuarta edición. Londres: South-Western. Cengage Learning, 2009.
MLA aipamenaNeedle, David. Business in Context: An Introduction to Business and Its Environment. Cuarta edición. South-Western. Cengage Learning, 2009.
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