Elkington, J., & Hartigan, P. (2008). The power of unreasonable people: How social entrepreneurs create markets that change the world. Harvard Business School Press.
Цитирование в стиле Чикаго (17-е изд.)Elkington, John, и Pamela Hartigan. The Power of Unreasonable People: How Social Entrepreneurs Create Markets That Change the World. Boston, Mass.: Harvard Business School Press, 2008.
Цитирование MLA (8-е изд.)Elkington, John, и Pamela Hartigan. The Power of Unreasonable People: How Social Entrepreneurs Create Markets That Change the World. Harvard Business School Press, 2008.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.