Weil, G. L. (1977). Sears, Roebuck, U.S.A: The great American catalog store and how it grew / Gordon L. Weil. Stein and Day.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeil, Gordon Lee. Sears, Roebuck, U.S.A: The Great American Catalog Store and How It Grew / Gordon L. Weil. New York: Stein and Day, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeil, Gordon Lee. Sears, Roebuck, U.S.A: The Great American Catalog Store and How It Grew / Gordon L. Weil. Stein and Day, 1977.
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