St. Procopius College Academy. (1930). Announcements for the scholastic year. The College.
Čikaški stil citiranja (17. izdanje)St. Procopius College Academy. Announcements for the Scholastic Year. Lisle, Ill.: The College, 1930.
MLA način citiranja (8. izdanje)St. Procopius College Academy. Announcements for the Scholastic Year. The College, 1930.
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