Bjerrum, K. B. (2000). Primary Sjogren's syndrome and keratoconjunctivitis sicca: Diagnostic methods, frequency and social disease aspects. Munksgaard.
Chicago (17e ed.) BronvermeldingBjerrum, Kirsten Birgitte. Primary Sjogren's Syndrome and Keratoconjunctivitis Sicca: Diagnostic Methods, Frequency and Social Disease Aspects. Copenhagen: Munksgaard, 2000.
MLA (8e ed.) BronvermeldingBjerrum, Kirsten Birgitte. Primary Sjogren's Syndrome and Keratoconjunctivitis Sicca: Diagnostic Methods, Frequency and Social Disease Aspects. Munksgaard, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.