Association for Supervision and Curriculum Development. Educational leadership. Association for Supervision and Curriculum Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Association for Supervision and Curriculum Development. Educational Leadership. Washington: Association for Supervision and Curriculum Development.
Παραπομπή σε μορφή MLA (9th εκδ.)Association for Supervision and Curriculum Development. Educational Leadership. Association for Supervision and Curriculum Development.
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