Antweiller, W., Copeland, B. R., & Taylor, M. S. (1998). Is free trade good for the environment. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Antweiller, Werner, Brian R. Copeland, e M. Scott Taylor. Is Free Trade Good for the Environment. Cambridge: National Bureau of Economic Research, 1998.
Citatione MLA (9a ed.)Antweiller, Werner, et al. Is Free Trade Good for the Environment. National Bureau of Economic Research, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.