Kerr, J., Rosenberg, D., Nathan, A., Millstein, R., Carlson, J., Crist, K., . . . Marshall, S. (2012). Applying the Ecological Model of Behavior Change to a Physical Activity Trial in Retirement Communities: Description of the study protocol.
Chicago-tyylinen lähdeviittausKerr, Jacqueline, et al. Applying the Ecological Model of Behavior Change to a Physical Activity Trial in Retirement Communities: Description of the Study Protocol. 2012.
MLA-viiteKerr, Jacqueline, et al. Applying the Ecological Model of Behavior Change to a Physical Activity Trial in Retirement Communities: Description of the Study Protocol. 2012.
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