Gaya APA

Wheelen, T, L. et al (2012). Strategic Management and Business Policy : Towards Global Sustainability (Thirteenth Edition) (13th Edition). USA: Pearson Prentice Hall.

Gaya MLA

Wheelen, Thomas, L.. et al. "Strategic Management and Business Policy : Towards Global Sustainability (Thirteenth Edition)". 13th Edition USA: Pearson Prentice Hall, 2012. Computer File.