Παραπομπή APA

Dasgupta, S. (2011). Environmental education: A book of activities : climate change, natural resources. Centre for Science and Environment.

Παραπομπή Chicago Style

Dasgupta, Sumita. Environmental Education: A Book of Activities : Climate Change, Natural Resources. New Delhi: Centre for Science and Environment, 2011.

Παραπομπή MLA

Dasgupta, Sumita. Environmental Education: A Book of Activities : Climate Change, Natural Resources. Centre for Science and Environment, 2011.