APA (7th ed.) Zitazioa
(1978). Professional Librarian Series. Knowledge Industry Publications.
Chicago Style (17th ed.) Zitazioa
Professional Librarian Series. White Plains, New York: Knowledge Industry Publications, 1978.
MLA (9th ed.) Zitazioa
Professional Librarian Series. Knowledge Industry Publications, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.