Cohen, D. S. (2005). The heart of change field guide: Tools and tactics for leading chance in your organization (Primera edición.). Harvard Business School Press.
Lua i Stíl Chicago (17ú heag.)Cohen, Dan S. The Heart of Change Field Guide: Tools and Tactics for Leading Chance in Your Organization. Primera edición. Massachusetts: Harvard Business School Press, 2005.
Lua MLA (8ú heag.)Cohen, Dan S. The Heart of Change Field Guide: Tools and Tactics for Leading Chance in Your Organization. Primera edición. Harvard Business School Press, 2005.
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