Laughlin, J. L. The elements of political economy: With some applications to questions of the day / by J. Laurence Laughlin, PH. D. head professor of political economy in the University of Chicago (Revised edition.).
Cita Chicago Style (17a ed.)Laughlin, James Laurence. The Elements of Political Economy: With Some Applications to Questions of the Day / by J. Laurence Laughlin, PH. D. Head Professor of Political Economy in the University of Chicago. Revised edition. New York, Cincinnati, Chicago : American book company, 1887.
Cita MLA (8a ed.)Laughlin, James Laurence. The Elements of Political Economy: With Some Applications to Questions of the Day / by J. Laurence Laughlin, PH. D. Head Professor of Political Economy in the University of Chicago. Revised edition.