Dyfyniad APA

Abramson, J., & Abramson , Z. H. (1999). Survey methods in community medicine: Epidemiological research programme evaluation clinical trials (5th ed.). Churchill Livingstone.

Dyfyniad Arddull Chicago

Abramson, J.H, and Z. H. Abramson. Survey Methods in Community Medicine: Epidemiological Research Programme Evaluation Clinical Trials. 5th ed. London: Churchill Livingstone, 1999.

Dyfyniad MLA

Abramson, J.H, and Z. H. Abramson. Survey Methods in Community Medicine: Epidemiological Research Programme Evaluation Clinical Trials. 5th ed. Churchill Livingstone, 1999.

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