APA (7th ed.) Zitazioa
U.S. Department of Labor. (1960). Chemistry for the safety man. U.S.Department of Labor.
Chicago Style (17th ed.) Zitazioa
U.S. Department of Labor. Chemistry for the Safety Man. Washington: U.S.Department of Labor, 1960.
MLA (9th ed.) Zitazioa
U.S. Department of Labor. Chemistry for the Safety Man. U.S.Department of Labor, 1960.
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