(1983). Glossary of environmental education terms. International Environmental Education Programme, Unesco-Unep.
芝加哥风格引文Glossary of Environmental Education Terms. [S.l.]: International Environmental Education Programme, Unesco-Unep, 1983.
MLA引文Glossary of Environmental Education Terms. International Environmental Education Programme, Unesco-Unep, 1983.
警告：这些引文格式不一定是100％准确.