Wenham, M. (1995). Understanding primary science: Ideas, concepts and explanations (Second edition.). Paul Chapman Pub. ; SAGE Publications.
Chicago-referens (17:e uppl.)Wenham, Martin. Understanding Primary Science: Ideas, Concepts and Explanations. Second edition. London : Thousand Oaks, Calif.: Paul Chapman Pub. ; SAGE Publications, 1995.
MLA-referens (8:e uppl.)Wenham, Martin. Understanding Primary Science: Ideas, Concepts and Explanations. Second edition. Paul Chapman Pub. ; SAGE Publications, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.