APA-referens (7:e uppl.)
Williams, G., Haarhoff, D., Fox, P., & Villiers, M. d. (2015). The virtuosa organisation: The importance of virtues for a successful business. Knowres Publishing.
Chicago-referens (17:e uppl.)
Williams, Graham, Dorian Haarhoff, Peter Fox, och Marlene de Villiers. The Virtuosa Organisation: The Importance of Virtues for a Successful Business. Randburg, South Africa: Knowres Publishing, 2015.
MLA-referens (9:e uppl.)
Williams, Graham, et al. The Virtuosa Organisation: The Importance of Virtues for a Successful Business. Knowres Publishing, 2015.
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