APA aipamena

 Dvorkin, H. S. (2005).  Credit hell: How to dig out of debt.  John Wiley & Sons.

Chicago Style aipamena

 Dvorkin, Howard S.  Credit Hell: How to Dig Out of Debt.  John Wiley & Sons, 2005.

MLA aipamena

 Dvorkin, Howard S.  Credit Hell: How to Dig Out of Debt.  John Wiley & Sons, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.