APA aipamena

 Smithson, C. W. (2003).  Credit portfolio management.  John Wiley.

Chicago Style aipamena

 Smithson, Charles W.  Credit Portfolio Management.  John Wiley, 2003.

MLA aipamena

 Smithson, Charles W.  Credit Portfolio Management.  John Wiley, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.