Willingham, C. (1950). End as a man: By Calder Willingham. Avon.
Lua i Stíl Chicago (17ú heag.)Willingham, Calder. End as a Man: By Calder Willingham. New York: Avon, 1950.
Lua MLA (8ú heag.)Willingham, Calder. End as a Man: By Calder Willingham. Avon, 1950.
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