(2007). Harvard business review on green business strategy. Boston: Harvard Business School Pub.
Chicago Style aipamenaHarvard Business Review On Green Business Strategy. Boston: Harvard Business School Pub, 2007.
MLA aipamenaHarvard Business Review On Green Business Strategy. Boston: Harvard Business School Pub, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.