APA (7th ed.) Zitazioa
Wrightsman, L. S. (1994). Adult personality development. SAGE.
Chicago Style (17th ed.) Zitazioa
Wrightsman, Lawrence S. Adult Personality Development. London: SAGE, 1994.
MLA (9th ed.) Zitazioa
Wrightsman, Lawrence S. Adult Personality Development. SAGE, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.