Williams, C. K., & Stevenson, R. L. (1993). The strange case of Dr Jekyll and Mr Hyde (Simplified edition.). Longman.
Lua i Stíl Chicago (17ú heag.)Williams, C. Kingsley, agus Robert Louis Stevenson. The Strange Case of Dr Jekyll and Mr Hyde. Simplified edition. Harlow: Longman, 1993.
Lua MLA (9ú heag.)Williams, C. Kingsley, agus Robert Louis Stevenson. The Strange Case of Dr Jekyll and Mr Hyde. Simplified edition. Longman, 1993.
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