APA
National Bureau of Economic Research (NBER), . (1993). Working Under Different Rules. A NBER Research Project Report. New York: Russell Sage Foundation.
Chicago
National Bureau of Economic Research (NBER), . 1993. Working Under Different Rules. A NBER Research Project Report. New York: Russell Sage Foundation.
Harvard
National Bureau of Economic Research (NBER), . (1993). Working Under Different Rules. A NBER Research Project Report. New York: Russell Sage Foundation.
MLA
National Bureau of Economic Research (NBER), . Working Under Different Rules. A NBER Research Project Report. New York: Russell Sage Foundation. 1993.