Porter, R. G. (1969). The preparation of a computerized index to the nonfiction of Thomas Mann. William Marsh Rice Univ..
Lua i Stíl Chicago (17ú heag.)Porter, Robert G. The Preparation of a Computerized Index to the Nonfiction of Thomas Mann. Houston, Tex.: William Marsh Rice Univ., 1969.
Lua MLA (8ú heag.)Porter, Robert G. The Preparation of a Computerized Index to the Nonfiction of Thomas Mann. William Marsh Rice Univ., 1969.
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