Association for Supervision and Curriculum Development & Jacobs, H. H. (2010). Curriculum 21: Essential education for a changing world. Association for Supervision and Curriculum Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Association for Supervision and Curriculum Development και Heidi Hayes Jacobs. Curriculum 21: Essential Education for a Changing World. Alexandria, Va: Association for Supervision and Curriculum Development, 2010.
Παραπομπή σε μορφή MLA (9th εκδ.)Association for Supervision and Curriculum Development και Heidi Hayes Jacobs. Curriculum 21: Essential Education for a Changing World. Association for Supervision and Curriculum Development, 2010.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.