von Heyking. The Primacy of Persons in Politics. The Catholic University of America Press.
Chicago Style aipamenavon Heyking. The Primacy of Persons in Politics. The Catholic University of America Press.
MLA aipamenavon Heyking. The Primacy of Persons in Politics. The Catholic University of America Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.