Gwartney, J. D., Stroup, R., & Clark, J. R. (1985). Essentials of economics (Second edition.). Academic Press.
Style de citation Chicago (17e éd.)Gwartney, James D., Richard Stroup, et J. R. Clark. Essentials of Economics. Second edition. Orlando: Academic Press, 1985.
Style de citation MLA (8e éd.)Gwartney, James D., et al. Essentials of Economics. Second edition. Academic Press, 1985.
Attention : ces citations peuvent ne pas être correctes à 100%.