TULLOCK, GORDON. “THE WELFARE COSTS OF TARIFFS, MONOPOLIES, AND THEFT”. Economic Inquiry, vol. 5, no. 3, 1967, pp. 224-32, https://doi.org/10.1111/j.1465-7295.1967.tb01923.x.
TULLOCK, G. (1967). THE WELFARE COSTS OF TARIFFS, MONOPOLIES, AND THEFT. Economic Inquiry, 5(3), 224-232. https://doi.org/10.1111/j.1465-7295.1967.tb01923.x
TULLOCK G. THE WELFARE COSTS OF TARIFFS, MONOPOLIES, AND THEFT. Economic Inquiry. 1967;5(3):224-32.