Cita APA (7a ed.)

Berman, E., & Bui, L. T. (1998). Environmental regulation and productivity, evidence from oil refineries. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Berman, Eli, y Linda T.M Bui. Environmental Regulation and Productivity, Evidence from Oil Refineries. Cambridge: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Berman, Eli, y Linda T.M Bui. Environmental Regulation and Productivity, Evidence from Oil Refineries. National Bureau of Economic Research, 1998.