Philippines. Department of Trade and Tourism. (1973). Policy recommendations: Integrated development and promotion of Philippine tourism and foreign trade. The Department.
Lua i Stíl Chicago (17ú heag.)Philippines. Department of Trade and Tourism. Policy Recommendations: Integrated Development and Promotion of Philippine Tourism and Foreign Trade. [Manila]: The Department, 1973.
Lua MLA (9ú heag.)Philippines. Department of Trade and Tourism. Policy Recommendations: Integrated Development and Promotion of Philippine Tourism and Foreign Trade. The Department, 1973.
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