Παραπομπή APA

Sumita Dasgupta. Green schools programme: A mannual to assess the environmental performance of schools. Centre for Science and Environment.

Παραπομπή Chicago Style

Sumita Dasgupta. Green Schools Programme: A Mannual to Assess the Environmental Performance of Schools. New Delhi: Centre for Science and Environment.

Παραπομπή MLA

Sumita Dasgupta. Green Schools Programme: A Mannual to Assess the Environmental Performance of Schools. Centre for Science and Environment.