Gaya APA

A, T, . et al (2018). Crafting & Executing Strategy;the quest for competitive advantage concepts and cases 21st edtition . New York: Mcgraw Hill.

Gaya MLA

A, THOMPSON,Arthur, . et al. "Crafting & Executing Strategy;the quest for competitive advantage concepts and cases 21st edtition". New York: Mcgraw Hill, 2018. Text.