Kloetzli, W. (1960). Lutheran central area study of Chicago. National Lutheran Council.
Lua i Stíl Chicago (17ú heag.)Kloetzli, Walter. Lutheran Central Area Study of Chicago. Chicago: National Lutheran Council, 1960.
Lua MLA (8ú heag.)Kloetzli, Walter. Lutheran Central Area Study of Chicago. National Lutheran Council, 1960.
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