American Psychological Association., & American Psychological Association. (1994). Publication manual of the American Psychological Association (4th ed.). Washington, DC: American Psychological Association.
Chicago Style aipamenaAmerican Psychological Association., và American Psychological Association. Publication Manual of the American Psychological Association. 4th ed. Washington, DC: American Psychological Association, 1994.
MLA aipamenaAmerican Psychological Association., và American Psychological Association. Publication Manual of the American Psychological Association. 4th ed. Washington, DC: American Psychological Association, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.