Salant, W. S., & Vaccara, B. N. (1961). Import liberalization and employment: The effects of unilateral reductions in United States import barriers. Brookings Institution.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Salant, Walter S., ба Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Washington: Brookings Institution, 1961.
MLA -ийн эшлэл (9 дэх хэвлэлт)Salant, Walter S., ба Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Brookings Institution, 1961.