Hart, P. (2003). Teachers' thinking in environmental education: Consciousness and responsibility. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Hart, Paul. Teachers' Thinking in Environmental Education: Consciousness and Responsibility. New York: Peter Lang, 2003.
Lua MLA (9ú heag.)Hart, Paul. Teachers' Thinking in Environmental Education: Consciousness and Responsibility. Peter Lang, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.