APA (7th ed.) Zitazioa
Olafson, F. (2022). Principles and Persons. Johns Hopkins University Press.
Chicago Style (17th ed.) Zitazioa
Olafson, Frederick. Principles and Persons. Johns Hopkins University Press, 2022.
MLA (9th ed.) Zitazioa
Olafson, Frederick. Principles and Persons. Johns Hopkins University Press, 2022.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.