Παραπομπή APA

Kotter,John P. (2008). Sense of Urgency. Harvard Business Press.

Παραπομπή Chicago Style

Kotter,John P. Sense of Urgency. Massachusetts: Harvard Business Press, 2008.

Παραπομπή MLA

Kotter,John P. Sense of Urgency. Harvard Business Press, 2008.