Crowther, I. (2007). Creating effective learning environments (Second edition.). Thomson Nelson.
Lua i Stíl Chicago (17ú heag.)Crowther, Ingrid. Creating Effective Learning Environments. Second edition. Toronto, ON: Thomson Nelson, 2007.
Lua MLA (8ú heag.)Crowther, Ingrid. Creating Effective Learning Environments. Second edition. Thomson Nelson, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.