Não informado. (2002). Research in Science & Technological Education. Carfax Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Research in Science & Technological Education. Abingdon, Inglaterra: Carfax Publishing, 2002.
Lua MLA (8ú heag.)Não informado. Research in Science & Technological Education. Carfax Publishing, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.