Gaya APA

Kotter, J, P., Cohen, D, S. (2012). The Heart of Change: Real-Life Stories of How People Change Their Organnizations . Boston: Harvard Business Review Press.

Gaya MLA

Kotter, John, P.., Cohen, Dan, S.. "The Heart of Change: Real-Life Stories of How People Change Their Organnizations". Boston: Harvard Business Review Press, 2012. Teks.