APA aipamena

(1976). Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I..

Chicago Style aipamena

Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I., 1976.

MLA aipamena

Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I., 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.