Lovecraft, H. P., & Derleth, A. (1975). The shuttered room and other tales of horror. Ballantine.
Lua i Stíl Chicago (17ú heag.)Lovecraft, H. P., agus August Derleth. The Shuttered Room and Other Tales of Horror. New York: Ballantine, 1975.
Lua MLA (9ú heag.)Lovecraft, H. P., agus August Derleth. The Shuttered Room and Other Tales of Horror. Ballantine, 1975.
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