Perry, E. L. (1948). The Presbyterian Church in Champaign-Urbana, Illinois. Board of National Missions, Presbyterian Church.
Lua i Stíl Chicago (17ú heag.)Perry, Everett L. The Presbyterian Church in Champaign-Urbana, Illinois. New York: Board of National Missions, Presbyterian Church, 1948.
Lua MLA (8ú heag.)Perry, Everett L. The Presbyterian Church in Champaign-Urbana, Illinois. Board of National Missions, Presbyterian Church, 1948.
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