Gaya APA

Kotter, J, P., Cohen, D, S. (2002). The Heart of Change: Real-Life Stories of How People Change Their Organizations . USA: John P. Kotter and Deloitte Consulting LLC.

Gaya MLA

Kotter, John, P.., Cohen, Dan, S.. "The Heart of Change: Real-Life Stories of How People Change Their Organizations". USA: John P. Kotter and Deloitte Consulting LLC, 2002. Teks (Text).