APA

Gagliardi Raul, Alfthan Torkel, . (1994). Environmental training : Policy practice for substainable development. New Delhi: Oxford University Press.

Chicago

Gagliardi Raul, Alfthan Torkel, . 1994. Environmental training : Policy practice for substainable development. New Delhi: Oxford University Press.

Harvard

Gagliardi Raul, Alfthan Torkel, . (1994). Environmental training : Policy practice for substainable development. New Delhi: Oxford University Press.

MLA

Gagliardi Raul, Alfthan Torkel, . Environmental training : Policy practice for substainable development. New Delhi: Oxford University Press. 1994.