APA (7th ed.) Zitazioa

(1979). An APL system design and implementation / by Norman R. Frame, III.

Chicago Style (17th ed.) Zitazioa

An APL System Design and Implementation / by Norman R. Frame, III. 1979.

MLA (9th ed.) Zitazioa

An APL System Design and Implementation / by Norman R. Frame, III. 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.