Snider, D. J. (1893). World's fair studies. Chicago Kindergarten College.
Lua i Stíl Chicago (17ú heag.)Snider, Denton J. World's Fair Studies. Chicago: Chicago Kindergarten College, 1893.
Lua MLA (8ú heag.)Snider, Denton J. World's Fair Studies. Chicago Kindergarten College, 1893.
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