Halvorson, H. H. (2018). 9 things successful people do differently. Boston, Mass: Harvard Business Review Press.
Styl ChicagoHalvorson, Heidi Halvorson. 9 Things Successful People Do Differently. Boston, Mass: Harvard Business Review Press, 2018.
Citace podle MLAHalvorson, Heidi Halvorson. 9 Things Successful People Do Differently. Boston, Mass: Harvard Business Review Press, 2018.
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