Não informado. (1974). Pesticides abstracts. U.S. Public Health Service, Pesticides Program.
Chicago-referens (17:e uppl.)Não informado. Pesticides Abstracts. Washington: U.S. Public Health Service, Pesticides Program, 1974.
MLA-referens (8:e uppl.)Não informado. Pesticides Abstracts. U.S. Public Health Service, Pesticides Program, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.