Olsen, W. P. (2010). The anti-corruption handbook: How to protect your business in the global marketplace. John Wiley & Sons.
Chicago Style aipamenaOlsen, William P. The Anti-corruption Handbook: How to Protect Your Business in the Global Marketplace. John Wiley & Sons, 2010.
MLA aipamenaOlsen, William P. The Anti-corruption Handbook: How to Protect Your Business in the Global Marketplace. John Wiley & Sons, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.