CPM Group. (2007). The CPM Platinum yearbook 2007. Hoboken, N.J: Wiley.
Chicago Style aipamenaCPM Group. The CPM Platinum Yearbook 2007. Hoboken, N.J: Wiley, 2007.
MLA aipamenaCPM Group. The CPM Platinum Yearbook 2007. Hoboken, N.J: Wiley, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.