Wanjala, A. N. (2006). The effect of counterfeit products on company sales/ revenue of permit holder manufacturing firms in Nairobi (Kenya). Daystar.
Chicago-viite (17. p.)Wanjala, Anne Nelima. The Effect of Counterfeit Products on Company Sales/ Revenue of Permit Holder Manufacturing Firms in Nairobi (Kenya). Nairobi: Daystar, 2006.
MLA-viite (9. p.)Wanjala, Anne Nelima. The Effect of Counterfeit Products on Company Sales/ Revenue of Permit Holder Manufacturing Firms in Nairobi (Kenya). Daystar, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.