Gruber, J., & Zinman, J. (2000). Youth smoking in the U.S: Evidence and implications. National Bureau of Economic Research.
Chicagoスタイル(17版)引用形式Gruber, Jonathan, , Jonathan Zinman. Youth Smoking in the U.S: Evidence and Implications. Cambridge: National Bureau of Economic Research, 2000.
MLA(9版)引用形式Gruber, Jonathan, , Jonathan Zinman. Youth Smoking in the U.S: Evidence and Implications. National Bureau of Economic Research, 2000.
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