Shugar, G. J., & Ballinger, J. T. (1996). Chemical technicians ready reference handbook. McGraw-Hill.
Chicago Edition CitationShugar, Gershon J., i Jack T. Ballinger. Chemical Technicians Ready Reference Handbook. N.Y: McGraw-Hill, 1996.
Cita MLAShugar, Gershon J., i Jack T. Ballinger. Chemical Technicians Ready Reference Handbook. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.