Não informado. (1968). Health aspects of pesticides. U.S. Public Health Service, Pesticides Program.
Lua i Stíl Chicago (17ú heag.)Não informado. Health Aspects of Pesticides. Atlanta, Ga: U.S. Public Health Service, Pesticides Program, 1968.
Lua MLA (8ú heag.)Não informado. Health Aspects of Pesticides. U.S. Public Health Service, Pesticides Program, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.