4. APA handbook of research methods in psychology Washington, DC : American Psychological Association, c2012. PSY510 Access to volume 1 via PsycNET Access to volume 2 via PsycNET Access to volume 3 via PsycNET
5. The qualitative report: an online journal dedicated to qualitative research since 1990 Fort Lauderdale, Fla. : Nova Southeastern University, School of Social and Systematic Studies, 1990- CP605
6. Single-case research designs: methods for clinical and applied settings Kazdin, Alan E. New York ; Oxford University Press, 2011. CP607
