Não informado. (1962). Annales hygieniae et medicinae socialis fenniae. University of Helsinki, Department of Hygiene.
Chicago (17e ed.) BronvermeldingNão informado. Annales Hygieniae Et Medicinae Socialis Fenniae. Helsinki: University of Helsinki, Department of Hygiene, 1962.
MLA (8e ed.) BronvermeldingNão informado. Annales Hygieniae Et Medicinae Socialis Fenniae. University of Helsinki, Department of Hygiene, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.