Philippines. Department of Trade and Tourism. (1973). Policy recommendations: Integrated development and promotion of Philippine tourism and foreign trade. The Department.
芝加哥风格引文Philippines. Department of Trade and Tourism. Policy Recommendations: Integrated Development and Promotion of Philippine Tourism and Foreign Trade. [Manila]: The Department, 1973.
MLA引文Philippines. Department of Trade and Tourism. Policy Recommendations: Integrated Development and Promotion of Philippine Tourism and Foreign Trade. The Department, 1973.
警告：这些引文格式不一定是100％准确.