APA
Bongaerts D., Goetzmann William N, Cremers K J Martijn & National Bureau Of Economic Research. (2009). Multiple ratings and credit spreads. Cambridge: NBER.
Chicago
Bongaerts Dion, Goetzmann William N, Cremers K J Martijn and National Bureau Of Economic Research. 2009. Multiple ratings and credit spreads. Cambridge: NBER.
Harvard
Bongaerts D., Goetzmann William N, Cremers K J Martijn and National Bureau Of Economic Research. (2009). Multiple ratings and credit spreads. Cambridge: NBER.
MLA
Bongaerts Dion, Goetzmann William N, Cremers K J Martijn and National Bureau Of Economic Research. Multiple ratings and credit spreads. Cambridge: NBER. 2009.
