APA (7. basım) Alıntı
Ungerer, M., Pretorius, M., & Herholdt, J. (2011). Viable business strategies: A fieldbook for leaders. Knowres Publishing.
Chicago Style (17. basım) Atıf
Ungerer, Marius, Maurits Pretorius, ve Johan Herholdt. Viable Business Strategies: A Fieldbook for Leaders. Randburg, Republic of South Africa: Knowres Publishing, 2011.
MLA (9th ed.) Atıf
Ungerer, Marius, et al. Viable Business Strategies: A Fieldbook for Leaders. Knowres Publishing, 2011.
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