Duffie, D. Frailty correlated default. Journal of Finance.
Cita Chicago (17th ed.)Duffie, Darrell. "Frailty Correlated Default." Journal of Finance .
Cita MLA (9th ed.)Duffie, Darrell. "Frailty Correlated Default." Journal of Finance, .
Atenció: Aquestes cites poden no estar 100% correctes.