APA aipamena

(2007).  The CRB commodity yearbook 2007.  Wiley.

Chicago Style aipamena

 The CRB Commodity Yearbook 2007.  Wiley, 2007.

MLA aipamena

 The CRB Commodity Yearbook 2007.  Wiley, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.