APA aipamena

American Library Association. A.L.A. membership directory. American Library Association.

Chicago Style aipamena

American Library Association. A.L.A. Membership Directory. Chicago: American Library Association.

MLA aipamena

American Library Association. A.L.A. Membership Directory. American Library Association.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.