Glass, G. V. (1971). The wisdom of scientific inquiry on education. ERIC Information Analysis Center for Science, Mathematics and Environmental Education.
Lua i Stíl Chicago (17ú heag.)Glass, Gene V. The Wisdom of Scientific Inquiry on Education. Columbus: ERIC Information Analysis Center for Science, Mathematics and Environmental Education, 1971.
Lua MLA (9ú heag.)Glass, Gene V. The Wisdom of Scientific Inquiry on Education. ERIC Information Analysis Center for Science, Mathematics and Environmental Education, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.