Salant, W. S., & Vaccara, B. N. (1961). Import liberalization and employment: The effects of unilateral reductions in United States import barrirs. Brookings Institution.
Lua i Stíl Chicago (17ú heag.)Salant, Walter S., agus Baetrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barrirs. Washington: Brookings Institution, 1961.
Lua MLA (9ú heag.)Salant, Walter S., agus Baetrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barrirs. Brookings Institution, 1961.
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