Philippines. Bureau of Foreign Trade. (1977). Primer on the establishment of regional headquarters in the Philippines (4th ed.). Bureau of Foreign Trade, Dept. of Trade.
Chicago-viite (17. p.)Philippines. Bureau of Foreign Trade. Primer on the Establishment of Regional Headquarters in the Philippines. 4th ed. [Manila]: Bureau of Foreign Trade, Dept. of Trade, 1977.
MLA-viite (9. p.)Philippines. Bureau of Foreign Trade. Primer on the Establishment of Regional Headquarters in the Philippines. 4th ed. Bureau of Foreign Trade, Dept. of Trade, 1977.
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