Salant, W. S., & Vaccara, B. N. (1961). Import liberalization and employment: The effects of unilateral reductions in United States import barrirs. Brookings Institution.
Chicago-referens (17:e uppl.)Salant, Walter S., och Baetrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barrirs. Washington: Brookings Institution, 1961.
MLA-referens (9:e uppl.)Salant, Walter S., och Baetrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barrirs. Brookings Institution, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.