Alfthan, T., & Gagliardi, R. (1995). Environmental training: Policy and practice for sustainable development. Oxford and IBH Publication.
Chicago-viite (17. p.)Alfthan, Torkel, ja Raul Gagliardi. Environmental Training: Policy and Practice for Sustainable Development. New Delhi: Oxford and IBH Publication, 1995.
MLA-viite (9. p.)Alfthan, Torkel, ja Raul Gagliardi. Environmental Training: Policy and Practice for Sustainable Development. Oxford and IBH Publication, 1995.
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