Ursuline. (1892). Columbus, the great discoverer of America: A drama in five acts. Benzinger Bros..
Čikaški stil citiranja (17. izdanje)Ursuline. Columbus, the Great Discoverer of America: A Drama in Five Acts. New York: Benzinger Bros., 1892.
MLA način citiranja (8. izdanje)Ursuline. Columbus, the Great Discoverer of America: A Drama in Five Acts. Benzinger Bros., 1892.
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