Summary of trade and tariff information: Prepared in trm of the tariff schedules of the United States; Photographic equipment, supplies, and recording media. Washington: United States International Trade Commission.
Trích dẫn kiểu ChicagoSummary of Trade and Tariff Information: Prepared in Trm of the Tariff Schedules of the United States; Photographic Equipment, Supplies, and Recording Media. Washington: United States International Trade Commission.
MLA引文Summary of Trade and Tariff Information: Prepared in Trm of the Tariff Schedules of the United States; Photographic Equipment, Supplies, and Recording Media. Washington: United States International Trade Commission.
警告：这些引文格式不一定是100％准确.