Obsfeldt, R. L., Boyle, R. G., & Capilouto, E. I. (1998). Tobacco taxes, smoking restrictions and tobacco use. National Bureau of Economic Research.
Style de citation Chicago (17e éd.)Obsfeldt, Robert L., Raymond G. Boyle, et Eli I. Capilouto. Tobacco Taxes, Smoking Restrictions and Tobacco Use. Cambridge: National Bureau of Economic Research, 1998.
Style de citation MLA (9e éd.)Obsfeldt, Robert L., et al. Tobacco Taxes, Smoking Restrictions and Tobacco Use. National Bureau of Economic Research, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.