Gaya APA

Managing your hazardous wastes : a step-by-step guide / Mary P. Bauer, Elizabeth Jane Kellar. (1992). : Rockville : Government Institutes.

Gaya MLA

Managing your hazardous wastes : a step-by-step guide / Mary P. Bauer, Elizabeth Jane Kellar. . : Rockville : Government Institutes, 1992. Text.