Philippines. Board of Investments. (1970). Questions and answers on foreign investments in the Philippines. Government Printing Office.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. Board of Investments. Questions and Answers on Foreign Investments in the Philippines. [Manila: Government Printing Office, 1970.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines. Board of Investments. Questions and Answers on Foreign Investments in the Philippines. Government Printing Office, 1970.
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