Ferris, D. Why Compare?: David Ferris. A companion to comparative literature.(2011).
Lua i Stíl Chicago (17ú heag.)Ferris, David. "Why Compare?: David Ferris." A Companion to Comparative Literature.(2011) .
Lua MLA (8ú heag.)Ferris, David. "Why Compare?: David Ferris." A Companion to Comparative Literature.(2011), .
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