Ringer, M. (1998). Electra and the empty urn: Metatheater and role playing in Sophocles. University of North Carolina Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ringer, Mark. Electra and the Empty Urn: Metatheater and Role Playing in Sophocles. Chapel Hill London: University of North Carolina Press, 1998.
Παραπομπή σε μορφή MLA (8th εκδ.)Ringer, Mark. Electra and the Empty Urn: Metatheater and Role Playing in Sophocles. University of North Carolina Press, 1998.
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