Cita APA (7th ed.)

Chay, K. Y., & Greenstone, M. (1999). The impact of air pollution on infant mortality: Evidence from geographic variation in pollution shocks induced by a recession. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Chay, Kenneth Y., i Michael Greenstone. The Impact of Air Pollution on Infant Mortality: Evidence from Geographic Variation in Pollution Shocks Induced by a Recession. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Chay, Kenneth Y., i Michael Greenstone. The Impact of Air Pollution on Infant Mortality: Evidence from Geographic Variation in Pollution Shocks Induced by a Recession. National Bureau of Economic Research, 1999.