Heymann, J. (2010). Profit at the bottom of the ladder: Creating value by investing in your workforce. Boston, Mass: Harvard Business Press.
استشهاد بنمط شيكاغوHeymann, Jody. Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce. Boston, Mass: Harvard Business Press, 2010.
MLA استشهادHeymann, Jody. Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce. Boston, Mass: Harvard Business Press, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.