APA (7th ed.) Zitazioa

School Libraries Worldwide. International Association of School Librarianship.

Chicago Style (17th ed.) Zitazioa

School Libraries Worldwide. International Association of School Librarianship.

MLA (9th ed.) Zitazioa

School Libraries Worldwide. International Association of School Librarianship.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.