APA
Liang Y. e. a., National Bureau of Economic Research, . (2020). Conservation co-benefits from air pollution regulation. Cambridge: NBER.
Chicago
Liang Yuanning et al, National Bureau of Economic Research, . 2020. Conservation co-benefits from air pollution regulation. Cambridge: NBER.
Harvard
Liang Y. e. a., National Bureau of Economic Research, . (2020). Conservation co-benefits from air pollution regulation. Cambridge: NBER.
MLA
Liang Yuanning et al, National Bureau of Economic Research, . Conservation co-benefits from air pollution regulation. Cambridge: NBER. 2020.