Project for Energy-Enriched Curriculum & National Science Teachers Association. (1986). Wind, water, fire, and earth: Energy lessons for the physical sciences : a selection of units from the Project for Energy Enriched Curriculum. National Science Teachers Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Project for Energy-Enriched Curriculum και National Science Teachers Association. Wind, Water, Fire, and Earth: Energy Lessons for the Physical Sciences : A Selection of Units from the Project for Energy Enriched Curriculum. Washington, DC: National Science Teachers Association, 1986.
Παραπομπή σε μορφή MLA (9th εκδ.)Project for Energy-Enriched Curriculum και National Science Teachers Association. Wind, Water, Fire, and Earth: Energy Lessons for the Physical Sciences : A Selection of Units from the Project for Energy Enriched Curriculum. National Science Teachers Association, 1986.