Barcus,James E. (1975). Percy Bysshe Shelley: The critical heritage. Routledge.
Lua i Stíl Chicago (17ú heag.)Barcus,James E. Percy Bysshe Shelley: The Critical Heritage. London: Routledge, 1975.
Lua MLA (9ú heag.)Barcus,James E. Percy Bysshe Shelley: The Critical Heritage. Routledge, 1975.
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