McCANDLESS, B. R. Children behavior and development.-- Ed. 2. Holt.
Lua i Stíl Chicago (17ú heag.)McCANDLESS, Boyd R. Children Behavior and Development.-- Ed. 2. New York: Holt.
Lua MLA (9ú heag.)McCANDLESS, Boyd R. Children Behavior and Development.-- Ed. 2. Holt.
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