Gaya APA

David, F, R. (2017). Strategic management: a competitive advantage approach, concepts and cases (Edisi ketujuhbelas). Inggris: Pearson education Inc..

Gaya MLA

David, Fred, R.. "Strategic management: a competitive advantage approach, concepts and cases". Edisi ketujuhbelas Inggris: Pearson education Inc., 2017. Text.