APA
JAMES D. GWARTNEY, RUSSELL S S. &. D. A. M., .ECONOMICS , PRIVAT& PUBLIC CHOICE. : .
Chicago
JAMES D. GWARTNEY, RUSSELL S SOBEL & DAVID A MACPHERSON, .ECONOMICS , PRIVAT& PUBLIC CHOICE. : .
Harvard
JAMES D. GWARTNEY, RUSSELL S S. &. D. A. M., .ECONOMICS , PRIVAT& PUBLIC CHOICE. : .
MLA
JAMES D. GWARTNEY, RUSSELL S SOBEL & DAVID A MACPHERSON, .: . .
