Cohen, D. (1988). Shakespearean motives. Macmillan.
Lua i Stíl Chicago (17ú heag.)Cohen, Derek. Shakespearean Motives. Houndmills [u.a.]: Macmillan, 1988.
Lua MLA (8ú heag.)Cohen, Derek. Shakespearean Motives. Macmillan, 1988.
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