APA-čujuhus (7. p.)
Ungerer, M., Pretorius, M., & Herholdt, J. (2011). Viable business strategies: A fieldbook for leaders. Knowres Publishing.
Chicago-čujuhus (17. p.)
Ungerer, Marius, Maurits Pretorius, juo Johan Herholdt. Viable Business Strategies: A Fieldbook for Leaders. Randburg, Republic of South Africa: Knowres Publishing, 2011.
MLA-čujuhus (9. p.)
Ungerer, Marius, et al. Viable Business Strategies: A Fieldbook for Leaders. Knowres Publishing, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.