Khuda, Z. R. M. M. (2001). Environmental Degradation: Challenges of the 21st Century. Environmental Survey and Research Unit.
Citazione stile Chigago Style (17a edizione)Khuda, Zinatunnessa R. M. M. Environmental Degradation: Challenges of the 21st Century. Dhaka: Environmental Survey and Research Unit, 2001.
Citatione MLA (9a ed.)Khuda, Zinatunnessa R. M. M. Environmental Degradation: Challenges of the 21st Century. Environmental Survey and Research Unit, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.