Cronin, J. F. (1957). The Church looks at business. Diocesan Labor Institute.
Lua i Stíl Chicago (17ú heag.)Cronin, John F. The Church Looks at Business. New Haven, Conn.: Diocesan Labor Institute, 1957.
Lua MLA (8ú heag.)Cronin, John F. The Church Looks at Business. Diocesan Labor Institute, 1957.
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