Farrer, D. (1975). The Warburgs: The story of a family. Stein and Day.
Chicago Style (17. basım) AtıfFarrer, David. The Warburgs: The Story of a Family. New York: Stein and Day, 1975.
MLA (8th ed.) AtıfFarrer, David. The Warburgs: The Story of a Family. Stein and Day, 1975.
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