Addams, J. (1921). The spirit of youth and the city streets. Macmillan Company.
Lua i Stíl Chicago (17ú heag.)Addams, Jane. The Spirit of Youth and the City Streets. New York: Macmillan Company, 1921.
Lua MLA (8ú heag.)Addams, Jane. The Spirit of Youth and the City Streets. Macmillan Company, 1921.
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