United States International Trade Commission. (1989). Probable economic effects of providing duty free treatment for watches under the generalized system of references. Washington: United States International Trade Commission.
استشهاد بنمط شيكاغوUnited States International Trade Commission. Probable Economic Effects of Providing Duty Free Treatment for Watches Under the Generalized System of References. Washington: United States International Trade Commission, 1989.
MLA استشهادUnited States International Trade Commission. Probable Economic Effects of Providing Duty Free Treatment for Watches Under the Generalized System of References. Washington: United States International Trade Commission, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.