Gaya APA

Christensen, C, M., Overdorf, M. (2010). HBR'S 10 Must Reads: The Essentials (1). American: Harvard Business School Press.

Gaya MLA

Christensen, Clayton, M., Overdorf, Michael. "HBR'S 10 Must Reads: The Essentials". 1 American: Harvard Business School Press, 2010. Text.