Zook Chris. (2012). Repeatability. Harvard Business School Pub.
Cita Chicago (17th ed.)Zook Chris. Repeatability. Boston: Harvard Business School Pub, 2012.
Cita MLA (9th ed.)Zook Chris. Repeatability. Harvard Business School Pub, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.