Abramson, J., & Abramson , Z. H. (1999). Survey methods in community medicine: Epidemiological research programme evaluation clinical trials (5th ed.). Churchill Livingstone.
Chicago (17e ed.) BronvermeldingAbramson, J.H, en Z. H. Abramson. Survey Methods in Community Medicine: Epidemiological Research Programme Evaluation Clinical Trials. 5th ed. London: Churchill Livingstone, 1999.
MLA (9e ed.) BronvermeldingAbramson, J.H, en Z. H. Abramson. Survey Methods in Community Medicine: Epidemiological Research Programme Evaluation Clinical Trials. 5th ed. Churchill Livingstone, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.