Não informado. (1989). Current Opinion in Rheumatology. Current Science.
Chicago (17e ed.) BronvermeldingNão informado. Current Opinion in Rheumatology. Philadelphia, Pa: Current Science, 1989.
MLA (8e ed.) BronvermeldingNão informado. Current Opinion in Rheumatology. Current Science, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.