Gagliardi, R. (1994). Environmental training: Policy and practice for sustainable development. Oxford & IBH.
Citazione stile Chigago Style (17a edizione)Gagliardi, Raul. Environmental Training: Policy and Practice for Sustainable Development. New Delhi: Oxford & IBH, 1994.
Citatione MLA (9a ed.)Gagliardi, Raul. Environmental Training: Policy and Practice for Sustainable Development. Oxford & IBH, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.