Henrie, S. (1972). A sourcebook of elementary curricula programs and projects. Far west laboratory for educational research and development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Henrie, Samuel. A Sourcebook of Elementary Curricula Programs and Projects. San francisco: Far west laboratory for educational research and development, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Henrie, Samuel. A Sourcebook of Elementary Curricula Programs and Projects. Far west laboratory for educational research and development, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.