APA aipamena

M.Bjoland Esther. (2004). Billing and Collections Best Practices. American: Wiley.

Chicago Style aipamena

M.Bjoland Esther. Billing and Collections Best Practices. American: Wiley, 2004.

MLA aipamena

M.Bjoland Esther. Billing and Collections Best Practices. American: Wiley, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.