Dyfyniad APA

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.

Dyfyniad Arddull Chicago

Schonell, Fred J., and 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.

Dyfyniad MLA

Schonell, Fred J., and F. Eleanor Schonell. Diagnostic and Attainment Testing: Including a Manual of Tests, Their Nature, Use, Recording and Interpretation. 4th ed. Oliver and Boyd, 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.