Penninx, B. W., Beekman, A. T., Smit, J. H., Zitman, F. G., Nolen, W. A., Spinhoven, P., . . . Van Dyck, R. (2008). The Netherlands Study of Depression and Anxiety (NESDA): Rationale, objectives and methods. Int J Methods Psychiatr Res.
Chicago-tyylinen lähdeviittausPenninx, Brenda W.J.H., et al. "The Netherlands Study of Depression and Anxiety (NESDA): Rationale, Objectives and Methods." Int J Methods Psychiatr Res 2008.
MLA-viitePenninx, Brenda W.J.H., et al. "The Netherlands Study of Depression and Anxiety (NESDA): Rationale, Objectives and Methods." Int J Methods Psychiatr Res 2008.
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