Gaya APA

Kotter, J, P., Cohen, D, S. (2002). The heart of change: Real-Life Stories of How People Change Their Organizations . Boston: Harvard Business Reiew Press.

Gaya MLA

Kotter, John, P., Cohen, Dan, S.. "The heart of change: Real-Life Stories of How People Change Their Organizations". Boston: Harvard Business Reiew Press, 2002. Buku Tercetak.