Não informado. (1981). Journal of Asthma. Association for the Care of Asthma.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Asthma. Baltimore, Md: Association for the Care of Asthma, 1981.
MLA (8e ed.) BronvermeldingNão informado. Journal of Asthma. Association for the Care of Asthma, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.