APA (7th ed.) Zitazioa
FIDDERMAN, H. THE YOUNG WORKERS' DIRECTIVE.
Chicago Style (17th ed.) Zitazioa
FIDDERMAN, H. THE YOUNG WORKERS' DIRECTIVE.
MLA (9th ed.) Zitazioa
FIDDERMAN, H. THE YOUNG WORKERS' DIRECTIVE.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.