Ingenkamp, K. (1969). Developments in educational testing: The proceedings of an international conference held under the aegis of the padagogisches Zentrun, Berlin. University of London Pr..
Citace podle Chicago (17th ed.)Ingenkamp, Karlheinz. Developments in Educational Testing: The Proceedings of an International Conference Held Under the Aegis of the Padagogisches Zentrun, Berlin. London: University of London Pr., 1969.
Citace podle MLA (9th ed.)Ingenkamp, Karlheinz. Developments in Educational Testing: The Proceedings of an International Conference Held Under the Aegis of the Padagogisches Zentrun, Berlin. University of London Pr., 1969.
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