Olsen, W. P., 1940- 1953- 1950-, & 1950- 1963-. (2010). The anti-corruption handbook: How to protect your business in the global marketplace. Hoboken, N.J: John Wiley & Sons.
Chicago Style aipamenaOlsen, William P., 1940- 1953- 1950-, và 1950- 1963-. The Anti-corruption Handbook: How to Protect Your Business in the Global Marketplace. Hoboken, N.J: John Wiley & Sons, 2010.
MLA aipamenaOlsen, William P., 1940- 1953- 1950-, và 1950- 1963-. The Anti-corruption Handbook: How to Protect Your Business in the Global Marketplace. Hoboken, N.J: John Wiley & Sons, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.