Fadul, J. A. Values and counter-values in environmental education: A meta-analysis.
芝加哥风格引文Fadul, Jose Arabe. Values and Counter-values in Environmental Education: A Meta-analysis.
MLA引文Fadul, Jose Arabe. Values and Counter-values in Environmental Education: A Meta-analysis.
警告：这些引文格式不一定是100％准确.