APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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