United States International Trade Commission. (1988). Portland hydraulic cement from Australia and Japan: Determinations of the Commission in investigation Nos.731-TA-108 and 109 (Primilinary) under the Tariff Act of 1930, together with the information obtained in the investigation. Washington, D.C: United States International Trade Commission.
शिकागो स्टाइल उद्धरणUnited States International Trade Commission. Portland Hydraulic Cement From Australia and Japan: Determinations of the Commission in Investigation Nos.731-TA-108 and 109 (Primilinary) Under the Tariff Act of 1930, Together With the Information Obtained in the Investigation. Washington, D.C: United States International Trade Commission, 1988.
एमएलए उद्धरणUnited States International Trade Commission. Portland Hydraulic Cement From Australia and Japan: Determinations of the Commission in Investigation Nos.731-TA-108 and 109 (Primilinary) Under the Tariff Act of 1930, Together With the Information Obtained in the Investigation. Washington, D.C: United States International Trade Commission, 1988.