Greene, G., & Walston, C. (2013). Greene, Graham - Walston, Catherine, Collection. DigitalGeorgetown.
Čikaški stil citiranja (17. izdanje)Greene, Graham, i Catherine Walston. Greene, Graham - Walston, Catherine, Collection. Washington, D.C.: DigitalGeorgetown, 2013.
MLA način citiranja (8. izdanje)Greene, Graham, i Catherine Walston. Greene, Graham - Walston, Catherine, Collection. DigitalGeorgetown, 2013.
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