(2011). Harvard business review on greening your business profitably. Harvard Business Review Press.
استشهاد بنمط شيكاغوHarvard Business Review On Greening Your Business Profitably. Harvard Business Review Press, 2011.
MLA استشهادHarvard Business Review On Greening Your Business Profitably. Harvard Business Review Press, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.