APA način citiranja

Halvorson, H. H. (2018). 9 things successful people do differently. Boston, Mass: Harvard Business Review Press.

Čikaški stil citiranja

Halvorson, Heidi Halvorson. 9 Things Successful People Do Differently. Boston, Mass: Harvard Business Review Press, 2018.

MLA način citiranja

Halvorson, Heidi Halvorson. 9 Things Successful People Do Differently. Boston, Mass: Harvard Business Review Press, 2018.

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