Trevor, W. (1991). Two lives: Reading Turgenev and My house in Umbria (1st American ed.). Viking.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrevor, William. Two Lives: Reading Turgenev and My House in Umbria. 1st American ed. New York, N.Y., U.S.A.: Viking, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTrevor, William. Two Lives: Reading Turgenev and My House in Umbria. 1st American ed. Viking, 1991.
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