APA استشهاد

David, F. (2009). Strategic Management: Concepts and cases/20e (20th ed.). PHI.

استشهاد بنمط شيكاغو

David, Fred.R. Strategic Management: Concepts and Cases/20e. 20th ed. New Delhi: PHI, 2009.

MLA استشهاد

David, Fred.R. Strategic Management: Concepts and Cases/20e. 20th ed. PHI, 2009.