1. American Cyanamide Company(1949) “Malathion Manual for Insecticides”.
2. U.S. Department of Health Education and Welfare Public Health Service Communicable Disease Centre Atlanta Georgia(1956) “Clinical Memoranda on Economic Poisons”.
3. N.S.W. Department of Agriculture(1958) “List of Pest Destroyers”.
4. Association of American Pesticide Control Officials Inc. “Pesticide Chemicals Official Compendium” Maryland.