Smil, V. (1996). Environmental problems in China: Estimates of economic costs. East-West Center.
Citazione stile Chigago Style (17a edizione)Smil, Vaclav. Environmental Problems in China: Estimates of Economic Costs. Honolulu, Hawaii: East-West Center, 1996.
Citatione MLA (8a ed.)Smil, Vaclav. Environmental Problems in China: Estimates of Economic Costs. East-West Center, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.