APA
(2009). Introduction to entrepreneurship. [Mason, Ohio]: South-Western Cengage Learning.
Chicago
2009. Introduction to entrepreneurship. [Mason, Ohio]: South-Western Cengage Learning.
Harvard
(2009). Introduction to entrepreneurship. [Mason, Ohio]: South-Western Cengage Learning.
MLA
Introduction to entrepreneurship. [Mason, Ohio]: South-Western Cengage Learning. 2009.