Schneider, H. (1993). Environmental education : an approach to sustainable development: L' education environnementale : approches pour un developpment durable. Organisarion For Economic Co-operation and Development.
Citace podle Chicago (17th ed.)Schneider, Hartmut. Environmental Education : An Approach to Sustainable Development: L' Education Environnementale : Approches Pour Un Developpment Durable. Paris: Organisarion For Economic Co-operation and Development, 1993.
Citace podle MLA (9th ed.)Schneider, Hartmut. Environmental Education : An Approach to Sustainable Development: L' Education Environnementale : Approches Pour Un Developpment Durable. Organisarion For Economic Co-operation and Development, 1993.
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