Bereiter, C., Brown, A., & Scardamalia, M. Learning, astronomy, family heritage.
Lua i Stíl Chicago (17ú heag.)Bereiter, Carl, Ann Brown, agus Marlene Scardamalia. Learning, Astronomy, Family Heritage.
Lua MLA (8ú heag.)Bereiter, Carl, et al. Learning, Astronomy, Family Heritage.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.