APA
Silverman K., Robles Elias & National Bureau Of Economic Research. (1998). Employment as a drug abuse treatment intervention: A behavioral economic analysis. Cambridge, MA: NBER.
Chicago
Silverman Kenneth, Robles Elias and National Bureau Of Economic Research. 1998. Employment as a drug abuse treatment intervention: A behavioral economic analysis. Cambridge, MA: NBER.
Harvard
Silverman K., Robles Elias and National Bureau Of Economic Research. (1998). Employment as a drug abuse treatment intervention: A behavioral economic analysis. Cambridge, MA: NBER.
MLA
Silverman Kenneth, Robles Elias and National Bureau Of Economic Research. Employment as a drug abuse treatment intervention: A behavioral economic analysis. Cambridge, MA: NBER. 1998.