APA
Gray W., Shadbegian Rj, . (1993). Environmental Regulation And Manufacturing Productivity At The Plant Level. Cambridge, MA: NBER.
Chicago
Gray WB, Shadbegian Rj, . 1993. Environmental Regulation And Manufacturing Productivity At The Plant Level. Cambridge, MA: NBER.
Harvard
Gray W., Shadbegian Rj, . (1993). Environmental Regulation And Manufacturing Productivity At The Plant Level. Cambridge, MA: NBER.
MLA
Gray WB, Shadbegian Rj, . Environmental Regulation And Manufacturing Productivity At The Plant Level. Cambridge, MA: NBER. 1993.
TextPublication details: Cambridge, MA NBER 1993ISBN: 
Working Papers (Print)
