Hakala, M. (1986). Pulmonary manifestations of rheumatoid arthritis: A clinical, immunogenetic, and histological study. University of Oulu.
Chicago (17e ed.) BronvermeldingHakala, Markku. Pulmonary Manifestations of Rheumatoid Arthritis: A Clinical, Immunogenetic, and Histological Study. Oulu: University of Oulu, 1986.
MLA (8e ed.) BronvermeldingHakala, Markku. Pulmonary Manifestations of Rheumatoid Arthritis: A Clinical, Immunogenetic, and Histological Study. University of Oulu, 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.