Citation Data

MLA

Heckman, James J. (James Joseph). The American High School Graduate Rate : Trends and Levels. Cambridge, Mass. :National Bureau of Economic Research, 2007.

APA

Heckman, James J. (James Joseph). (2007). The American high school graduate rate : trends and levels. Cambridge, Mass. :National Bureau of Economic Research,

Chicago

Heckman, James J. (James Joseph). The American High School Graduate Rate : Trends and Levels. Cambridge, Mass. :National Bureau of Economic Research, 2007.

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