APA aipamena

Philadelphia, C. C. o. Printed Letterhead, List of Names, [n.d.].

Chicago Style aipamena

Philadelphia, Catholic Club of. Printed Letterhead, List of Names, [n.d.].

MLA aipamena

Philadelphia, Catholic Club of. Printed Letterhead, List of Names, [n.d.].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.