Não informado. (1970). Leprosy surveillance. Center for Disease Control, Department of Health, Education Welfare.
Chicago (17e ed.) BronvermeldingNão informado. Leprosy Surveillance. Atlanta, Ga: Center for Disease Control, Department of Health, Education Welfare, 1970.
MLA (8e ed.) BronvermeldingNão informado. Leprosy Surveillance. Center for Disease Control, Department of Health, Education Welfare, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.