Valentine, A. S. (1991). Ethical conflicts.
Chicago Style aipamenaValentine, Anthony S. Ethical Conflicts. 1991.
MLA aipamenaValentine, Anthony S. Ethical Conflicts. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Valentine, A. S. (1991). Ethical conflicts.
Chicago Style aipamenaValentine, Anthony S. Ethical Conflicts. 1991.
MLA aipamenaValentine, Anthony S. Ethical Conflicts. 1991.