St. Procopius College Academy. (1930). Announcements for the scholastic year. The College.
Chicago-referens (17:e uppl.)St. Procopius College Academy. Announcements for the Scholastic Year. Lisle, Ill.: The College, 1930.
MLA-referens (8:e uppl.)St. Procopius College Academy. Announcements for the Scholastic Year. The College, 1930.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.