Weil, G. L. (1977). Sears, Roebuck, U.S.A: The great American catalog store and how it grew / Gordon L. Weil. Stein and Day.
Lua i Stíl Chicago (17ú heag.)Weil, 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.
Lua MLA (8ú heag.)Weil, Gordon Lee. Sears, Roebuck, U.S.A: The Great American Catalog Store and How It Grew / Gordon L. Weil. Stein and Day, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.