APA (7th ed.) Zitazioa

(1986). Acid rain editorial commentary / compiled by Library Services Division. [microform].

Chicago Style (17th ed.) Zitazioa

Acid Rain Editorial Commentary / Compiled by Library Services Division. [microform]. 1986.

MLA (9th ed.) Zitazioa

Acid Rain Editorial Commentary / Compiled by Library Services Division. [microform]. 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.