International Geographical Union. Commission on Geographical Education. (1992). International research in geographical and environmental education. La Trobe University Press.
Lua i Stíl Chicago (17ú heag.)International Geographical Union. Commission on Geographical Education. International Research in Geographical and Environmental Education. Bundoora, Vic.: La Trobe University Press, 1992.
Lua MLA (9ú heag.)International Geographical Union. Commission on Geographical Education. International Research in Geographical and Environmental Education. La Trobe University Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.