Dykstra, C. R. (1981). Vision and character: A christian educator's alternative to Kohlberg. Paulist.
Lua i Stíl Chicago (17ú heag.)Dykstra, Craig R. Vision and Character: A Christian Educator's Alternative to Kohlberg. New York: Paulist, 1981.
Lua MLA (9ú heag.)Dykstra, Craig R. Vision and Character: A Christian Educator's Alternative to Kohlberg. Paulist, 1981.
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