Stevenson, R. B., Brody, M., Dillon, J., & Wals, A. E. J. (2013). International handbook of research on environmental education (1a. ed.). Routledge.
Chicago-čujuhus (17. p.)Stevenson, Robert B., Michael Brody, Justin Dillon, juo Arjen E. J. Wals. International Handbook of Research on Environmental Education. 1a. ed. Nueva York: Routledge, 2013.
MLA-čujuhus (9. p.)Stevenson, Robert B., et al. International Handbook of Research on Environmental Education. 1a. ed. Routledge, 2013.
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