World Health Organization. (1991). Environmental health criteria 142: Alpha cypermethrin. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. Geneva: World Health Organization, 1991.
MLA aipamenaWorld Health Organization. Environmental Health Criteria 142: Alpha Cypermethrin. World Health Organization, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.