DINKMEYER, D., & DREIKURS, R. (1963). Encouraging children to learn: The encouragement proces. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)DINKMEYER, Don, agus Rudolf DREIKURS. Encouraging Children to Learn: The Encouragement Proces. New Jersey: Prentice-Hall, 1963.
Lua MLA (9ú heag.)DINKMEYER, Don, agus Rudolf DREIKURS. Encouraging Children to Learn: The Encouragement Proces. Prentice-Hall, 1963.
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