Tracana, R. B., & Carvalho, G. S. d. (2010). Ecocentric emphasis in environmental education subtopics (ecosystems, pollution and use of resources) in textbooks of 14 countries.
Citação norma ChicagoTracana, Rosa Branca, and Graça Simões de Carvalho. Ecocentric Emphasis in Environmental Education Subtopics (ecosystems, Pollution and Use of Resources) in Textbooks of 14 Countries. 2010.
Citação norma MLATracana, Rosa Branca, and Graça Simões de Carvalho. Ecocentric Emphasis in Environmental Education Subtopics (ecosystems, Pollution and Use of Resources) in Textbooks of 14 Countries. 2010.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.