Salant, W. S., & Vaccara, B. N. (1961). Import liberalization and employment: The effects of unilateral reductions in United States import barriers. Brookings Institution.
Lua i Stíl Chicago (17ú heag.)Salant, Walter S., agus Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Washington: Brookings Institution, 1961.
Lua MLA (9ú heag.)Salant, Walter S., agus Beatrice N. Vaccara. Import Liberalization and Employment: The Effects of Unilateral Reductions in United States Import Barriers. Brookings Institution, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.