APA (7th ed.) Zitazioa
(1948). Progressive education: Magazine of the American education fellowshipp.
Chicago Style (17th ed.) Zitazioa
Progressive Education: Magazine of the American Education Fellowshipp. Champain, Ill, 1948.
MLA (9th ed.) Zitazioa
Progressive Education: Magazine of the American Education Fellowshipp. 1948.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.