Ulich, R. (1954). Three thousand years of educational wisdom: Selections from great documents (2nd ed., enl.). Harvard University Press.
Citace podle Chicago (17th ed.)Ulich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. 2nd ed., enl. Cambridge: Harvard University Press, 1954.
Citace podle MLA (8th ed.)Ulich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. 2nd ed., enl. Harvard University Press, 1954.
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