Não informado. (2012). Human and Ecological Risk Assessment. Amherst Scientific Publishers.
Chicago-referens (17:e uppl.)Não informado. Human and Ecological Risk Assessment. Amherst, Mass: Amherst Scientific Publishers, 2012.
MLA-referens (8:e uppl.)Não informado. Human and Ecological Risk Assessment. Amherst Scientific Publishers, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.