Le Carré, J. (1965). The spy who came in from the cold. Dell Publishing Co.
Lua i Stíl Chicago (17ú heag.)Le Carré, John. The Spy Who Came in from the Cold. New York: Dell Publishing Co, 1965.
Lua MLA (9ú heag.)Le Carré, John. The Spy Who Came in from the Cold. Dell Publishing Co, 1965.
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