SITTIG, M. (1994). World-wide limits for toxic and hazardous chemicals inair, water and soil. Noyes Pub.
Chicago-referens (17:e uppl.)SITTIG, Marshall. World-wide Limits for Toxic and Hazardous Chemicals Inair, Water and Soil. New Jersey: Noyes Pub, 1994.
MLA-referens (9:e uppl.)SITTIG, Marshall. World-wide Limits for Toxic and Hazardous Chemicals Inair, Water and Soil. Noyes Pub, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.