Southworth, G. V. D., & Kramer, S. E. (1922). Great cities of the United States: Historical, descriptive, commercial, industrial. Iroquois Pub. Co..
Lua i Stíl Chicago (17ú heag.)Southworth, Gertrude Van Duyn, agus Stephen Elliott Kramer. Great Cities of the United States: Historical, Descriptive, Commercial, Industrial. Syracuse, N.Y.: Iroquois Pub. Co., 1922.
Lua MLA (8ú heag.)Southworth, Gertrude Van Duyn, agus Stephen Elliott Kramer. Great Cities of the United States: Historical, Descriptive, Commercial, Industrial. Iroquois Pub. Co., 1922.
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