Anderson, J. E., Nelson, D. E., & Wilson, R. W. (1998). Telephone coverage and measurement of health risk indicators: Data from the National Health Interview Survey.
Chicago-tyylinen lähdeviittausAnderson, J E., D E. Nelson, ja R W. Wilson. Telephone Coverage and Measurement of Health Risk Indicators: Data From the National Health Interview Survey. 1998.
MLA-viiteAnderson, J E., D E. Nelson, ja R W. Wilson. Telephone Coverage and Measurement of Health Risk Indicators: Data From the National Health Interview Survey. 1998.
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