Elkington, J., Hartigan, P., & Schwab, K. (2008). The power of unreasonable people how social entrepreneurs create markets that change the world / John Elkington, Pamela Hartigan ; foreword by Klaus Schwab: How social entrepreneurs create markets that change the world. Harvard Business School Press.
Chicago Style (17th ed.) CitationElkington, John, Pamela Hartigan, and Klaus Schwab. The Power of Unreasonable People How Social Entrepreneurs Create Markets That Change the World / John Elkington, Pamela Hartigan ; Foreword by Klaus Schwab: How Social Entrepreneurs Create Markets That Change the World. Boston, Massachusetts: Harvard Business School Press, 2008.
MLA (9th ed.) CitationElkington, John, et al. The Power of Unreasonable People How Social Entrepreneurs Create Markets That Change the World / John Elkington, Pamela Hartigan ; Foreword by Klaus Schwab: How Social Entrepreneurs Create Markets That Change the World. Harvard Business School Press, 2008.