APA (7th ed.) Zitazioa
Irwin, T., Wechter, E., & MacMillan, M. (2014). Impact: Great leadership changes everything. BenBella Books.
Chicago Style (17th ed.) Zitazioa
Irwin, Tim, Eric Wechter, eta Matthew MacMillan. Impact: Great Leadership Changes Everything. Dallas, Texas: BenBella Books, 2014.
MLA (9th ed.) Zitazioa
Irwin, Tim, et al. Impact: Great Leadership Changes Everything. BenBella Books, 2014.
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