Gaya APA

B., B., Hesrerly, W, S. (2008). Strategic management and competitive advantage : Concepts and cases (Ed.Second.). Singapore: Pearson Education.

Gaya MLA

B., Barney,Jay., Hesrerly, William, S.. "Strategic management and competitive advantage : Concepts and cases". Ed.Second. Singapore: Pearson Education, 2008. Textbook.