(1989). Proposed policies and standards for the basic sciences (biology, chemistry, math and physics) and the science component of teacher education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Proposed Policies and Standards for the Basic Sciences (biology, Chemistry, Math and Physics) and the Science Component of Teacher Education. 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)Proposed Policies and Standards for the Basic Sciences (biology, Chemistry, Math and Physics) and the Science Component of Teacher Education. 1989.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.