ASCD Council on Secondary Education & Saylor, J. G. (1971). Removing barriers to humaness in the high school. Association for Supervision and Curriculum Development, NEA.
Παραπομπή σε μορφή Chicago (17η εκδ.)ASCD Council on Secondary Education και John Galen Saylor. Removing Barriers to Humaness in the High School. Washington: Association for Supervision and Curriculum Development, NEA, 1971.
Παραπομπή σε μορφή MLA (9th εκδ.)ASCD Council on Secondary Education και John Galen Saylor. Removing Barriers to Humaness in the High School. Association for Supervision and Curriculum Development, NEA, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.