APA (7th ed.) Zitazioa

(1990). OERI directory of computer data files / compiled by Imelda H. Smallwood.

Chicago Style (17th ed.) Zitazioa

OERI Directory of Computer Data Files / Compiled by Imelda H. Smallwood. 1990.

MLA (9th ed.) Zitazioa

OERI Directory of Computer Data Files / Compiled by Imelda H. Smallwood. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.