Gaya APA

Barney, J, B., Hesterly, W, S. (2010). Strategic management and competitive advantage : concepts, Ed. 3 . New Jersey: Pearson Education.

Gaya MLA

Barney, Jay, B.., Hesterly, William, S.. "Strategic management and competitive advantage : concepts, Ed. 3". New Jersey: Pearson Education, 2010. Text.