Roxas, S. K. I. Identifying interests in international trade. The Philippines quarterly.
Lua i Stíl Chicago (17ú heag.)Roxas, Sixto K. III. "Identifying Interests in International Trade." The Philippines Quarterly .
Lua MLA (9ú heag.)Roxas, Sixto K. III. "Identifying Interests in International Trade." The Philippines Quarterly, .
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