Não informado. (1955). Royal Society for the Promotion of Health Journal. Royal Society of Health.
Chicago (17e ed.) BronvermeldingNão informado. Royal Society for the Promotion of Health Journal. London: Royal Society of Health, 1955.
MLA (8e ed.) BronvermeldingNão informado. Royal Society for the Promotion of Health Journal. Royal Society of Health, 1955.
Let op: Deze citaties zijn niet altijd 100% accuraat.