Schneider, H., Vinke, J., & Weekes-Vagliani, W. (1993). Environmental education. An approach to sustainable development. October 1992 ([1st ed.] Reprinted.). OECD.
Citace podle Chicago (17th ed.)Schneider, Hartmut, Jacoline Vinke, a Winifred Weekes-Vagliani. Environmental Education. An Approach to Sustainable Development. October 1992. [1st ed.] Reprinted. Paris: OECD, 1993.
Citace podle MLA (9th ed.)Schneider, Hartmut, et al. Environmental Education. An Approach to Sustainable Development. October 1992. [1st ed.] Reprinted. OECD, 1993.
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