Flórez Restrepo, G. A. (2012). Environmental education: An attempt at school- community integration. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Flórez Restrepo, Gustavo Adolfo. Environmental Education: An Attempt at School- Community Integration. Universidad Pedagógica y Tecnológica de Colombia, 2012.
Lua MLA (9ú heag.)Flórez Restrepo, Gustavo Adolfo. Environmental Education: An Attempt at School- Community Integration. Universidad Pedagógica y Tecnológica de Colombia, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
