Schonell, F. J., & Schonell, F. E. (1960). Diagnostic and attainment testing: Including a manual of tests, their nature, use, recording and interpretation (4th ed.). Oliver and Boyd.
Citace podle Chicago (17th ed.)Schonell, Fred J., a F. Eleanor Schonell. Diagnostic and Attainment Testing: Including a Manual of Tests, Their Nature, Use, Recording and Interpretation. 4th ed. Edinburgh: Oliver and Boyd, 1960.
Citace podle MLA (8th ed.)Schonell, Fred J., a F. Eleanor Schonell. Diagnostic and Attainment Testing: Including a Manual of Tests, Their Nature, Use, Recording and Interpretation. 4th ed. Oliver and Boyd, 1960.
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