APA
Summers L., Vergara R & Gruber J. (1992). Taxation And The Structure Of Labor Markets: The Case Of Corporatism. Cambridge, MA: NBER.
Chicago
Summers L, Vergara R and Gruber J. 1992. Taxation And The Structure Of Labor Markets: The Case Of Corporatism. Cambridge, MA: NBER.
Harvard
Summers L., Vergara R and Gruber J. (1992). Taxation And The Structure Of Labor Markets: The Case Of Corporatism. Cambridge, MA: NBER.
MLA
Summers L, Vergara R and Gruber J. Taxation And The Structure Of Labor Markets: The Case Of Corporatism. Cambridge, MA: NBER. 1992.