APA aipamena

(2008). Kaliedoscope Level G. McGraw - HillCompanies, Inc.

Chicago Style aipamena

Kaliedoscope Level G. McGraw - HillCompanies, Inc, 2008.

MLA aipamena

Kaliedoscope Level G. McGraw - HillCompanies, Inc, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.