Halvorson, H. G. (2018). 9 things successful people do differently. Boston, Mass.: Harvard Business Review Press.
استشهاد بنمط شيكاغوHalvorson, Heidi Grant-. 9 Things Successful People Do Differently. Boston, Mass.: Harvard Business Review Press, 2018.
MLA استشهادHalvorson, Heidi Grant-. 9 Things Successful People Do Differently. Boston, Mass.: Harvard Business Review Press, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.