APA (7th ed.) Zitazioa
U.S.Department of Labor. (1960). Time off for voting... under state laws. U.S.Department of Labor.
Chicago Style (17th ed.) Zitazioa
U.S.Department of Labor. Time off for Voting... Under State Laws. Washington: U.S.Department of Labor, 1960.
MLA (9th ed.) Zitazioa
U.S.Department of Labor. Time off for Voting... Under State Laws. U.S.Department of Labor, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.