Langohr, H. M. (2008). The rating agencies and their credit ratings: What they are, how they work and why they are relevant. Wiley.
Chicago-Zitierstil (17. Ausg.)Langohr, Herwig M. The Rating Agencies and Their Credit Ratings: What They Are, How They Work and Why They Are Relevant. Hoboken, NJ: Wiley, 2008.
MLA-Zitierstil (9. Ausg.)Langohr, Herwig M. The Rating Agencies and Their Credit Ratings: What They Are, How They Work and Why They Are Relevant. Wiley, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.