Salant, W. S., & Vaccara, B. N. (1961). Import liberalization and employment: The effects of unilateral reductions in United States import barriers. Brookings Institution.
Chicago-viite (17. p.)Salant, Walter S., ja Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Washington: Brookings Institution, 1961.
MLA-viite (9. p.)Salant, Walter S., ja Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Brookings Institution, 1961.
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