Cita APA (7th ed.)

American Psychological Association & Cooper, H. M. (2012). APA handbook of research methods in psychology. American Psychological Association.

Cita Chicago (17th ed.)

American Psychological Association i Harris M. Cooper. APA Handbook of Research Methods in Psychology. Washington, DC: American Psychological Association, 2012.

Cita MLA (9th ed.)

American Psychological Association i Harris M. Cooper. APA Handbook of Research Methods in Psychology. American Psychological Association, 2012.