Não informado. (1962). Education in Science. Association for Science Education.
Chicago-referens (17:e uppl.)Não informado. Education in Science. Hatfield, Inglaterra: Association for Science Education, 1962.
MLA-referens (8:e uppl.)Não informado. Education in Science. Association for Science Education, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.