Sandner, J. (2010). Man and the natural environment in the light of sustainable development. A humanist approach to sustainable development, 39-52.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sandner, Jan. "Man and the Natural Environment in the Light of Sustainable Development." A Humanist Approach to Sustainable Development 2010: 39-52.
Παραπομπή σε μορφή MLA (9th εκδ.)Sandner, Jan. "Man and the Natural Environment in the Light of Sustainable Development." A Humanist Approach to Sustainable Development, 2010, pp. 39-52.
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