Girardi, R. (2013). Girardi, Robert, Papers. DigitalGeorgetown.
Lua i Stíl Chicago (17ú heag.)Girardi, Robert. Girardi, Robert, Papers. Washington, D.C.: DigitalGeorgetown, 2013.
Lua MLA (8ú heag.)Girardi, Robert. Girardi, Robert, Papers. DigitalGeorgetown, 2013.
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