Grolier International. (1987). Grolier Academic Encyclopedia Vol: 1. Grolier International,Academic American.
Čikaški stil citiranja (17. izdanje)Grolier International. Grolier Academic Encyclopedia Vol: 1. USA: Grolier International,Academic American, 1987.
MLA način citiranja (9. izdanje)Grolier International. Grolier Academic Encyclopedia Vol: 1. Grolier International,Academic American, 1987.
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