American Psychological Association (Washington, District of Columbia). (2020). Publication manual of the american psychological association (Seventh edition.). American Psychological Association.
Chicago-referens (17:e uppl.)American Psychological Association (Washington, District of Columbia). Publication Manual of the American Psychological Association. Seventh edition. Washington, DC: American Psychological Association, 2020.
MLA-referens (9:e uppl.)American Psychological Association (Washington, District of Columbia). Publication Manual of the American Psychological Association. Seventh edition. American Psychological Association, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.