Dueul, L. (1965). Testaments of time ; the search for lost manuscript and records. Knopf.
Lua i Stíl Chicago (17ú heag.)Dueul, Leo. Testaments of Time ; the Search for Lost Manuscript and Records. New York: Knopf, 1965.
Lua MLA (9ú heag.)Dueul, Leo. Testaments of Time ; the Search for Lost Manuscript and Records. Knopf, 1965.
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