Παραπομπή APA

Sunita Narain & Anju Sharma. (1999). Green. Centre for Science and Environment.

Παραπομπή Chicago Style

Sunita Narain και Anju Sharma. Green. New Delhi: Centre for Science and Environment, 1999.

Παραπομπή MLA

Sunita Narain και Anju Sharma. Green. Centre for Science and Environment, 1999.