White, L. (1962). A grave undertaking. T. V. Boardman & Company.
Lua i Stíl Chicago (17ú heag.)White, Lionel. A Grave Undertaking. London: T. V. Boardman & Company, 1962.
Lua MLA (8ú heag.)White, Lionel. A Grave Undertaking. T. V. Boardman & Company, 1962.
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