Não informado. (1942). Monthly bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service.
Chicago (17e ed.) BronvermeldingNão informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. London: Ministry of Health, Public Health Laboratory Service, 1942.
MLA (8e ed.) BronvermeldingNão informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service, 1942.
Let op: Deze citaties zijn niet altijd 100% accuraat.