Kanaan, R. A., Wessely, S. C., & Armstrong, D. (2010). Differential effects of pre and post-payment on neurologists' response rates to a postal survey. BioMed Central.
Chicago-tyylinen lähdeviittausKanaan, Richard AA, Simon C. Wessely, ja David Armstrong. Differential Effects of Pre and Post-payment On Neurologists' Response Rates to a Postal Survey. BioMed Central, 2010.
MLA-viiteKanaan, Richard AA, Simon C. Wessely, ja David Armstrong. Differential Effects of Pre and Post-payment On Neurologists' Response Rates to a Postal Survey. BioMed Central, 2010.
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