APA (7th ed.) Zitazioa
Freeman, H. (1995). Industrial pollution prevention handbook. McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Freeman, Harry. Industrial Pollution Prevention Handbook. New York: McGraw-Hill, 1995.
MLA (9th ed.) Zitazioa
Freeman, Harry. Industrial Pollution Prevention Handbook. McGraw-Hill, 1995.
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