APA (7th ed.) Zitazioa

(2005). Special Kids Learning Series – Speech & Skill Development. Numbers & Quantities.

Chicago Style (17th ed.) Zitazioa

Special Kids Learning Series – Speech & Skill Development. Numbers & Quantities. 2005.

MLA (9th ed.) Zitazioa

Special Kids Learning Series – Speech & Skill Development. Numbers & Quantities. 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.