APA استشهاد

Gagliardi, R., & Alfthan,Torkel. (1994). Environmental training: Policy and practice for sustainable development. Oxford & IBH.

استشهاد بنمط شيكاغو

Gagliardi, Rahul, و Alfthan,Torkel. Environmental Training: Policy and Practice for Sustainable Development. New Delhi: Oxford & IBH, 1994.

MLA استشهاد

Gagliardi, Rahul, و Alfthan,Torkel. Environmental Training: Policy and Practice for Sustainable Development. Oxford & IBH, 1994.