APA (7th ed.) Zitazioa
(1993). LONGMAN language activator: The world's first production dictionary. Longman.
Chicago Style (17th ed.) Zitazioa
LONGMAN Language Activator: The World's First Production Dictionary. Great Britain: Longman, 1993.
MLA (9th ed.) Zitazioa
LONGMAN Language Activator: The World's First Production Dictionary. Longman, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.