Gaya APA

Barney, J, B., Hesterly, W, S. (2010). Strategic Management and Competitive Advantage Concepts (Third Edition). New Jersey: Pearson International Edition.

Gaya MLA

Barney, Jay, B.., Hesterly, William, S.. "Strategic Management and Competitive Advantage Concepts". Third Edition New Jersey: Pearson International Edition, 2010. Text.