World Health Organization. (1991). Environmental health criteria 142: Alpha cypermethrin. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. Geneva: World Health Organization, 1991.
MLA-referens (8:e uppl.)World Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. World Health Organization, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.