World Health Organization. (1991). Environmental health criteria 142: Alpha cypermethrin. World Health Organization.
Lua i Stíl Chicago (17ú heag.)World Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. Geneva: World Health Organization, 1991.
Lua MLA (8ú heag.)World Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. World Health Organization, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.