Farrell, A. P. (1938). The Jesuit code of liberal education: Development and scope of the Ratio studiorum. Bruce.
Lua i Stíl Chicago (17ú heag.)Farrell, Allan P. The Jesuit Code of Liberal Education: Development and Scope of the Ratio Studiorum. Milwaukee: Bruce, 1938.
Lua MLA (8ú heag.)Farrell, Allan P. The Jesuit Code of Liberal Education: Development and Scope of the Ratio Studiorum. Bruce, 1938.
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