Wenham, M. (1995). Understanding primary science: Ideas, concepts and explanations (Second edition.). Paul Chapman Pub. ; SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Wenham, Martin. Understanding Primary Science: Ideas, Concepts and Explanations. Second edition. London : Thousand Oaks, Calif.: Paul Chapman Pub. ; SAGE Publications, 1995.
Lua MLA (8ú heag.)Wenham, Martin. Understanding Primary Science: Ideas, Concepts and Explanations. Second edition. Paul Chapman Pub. ; SAGE Publications, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.