Sicat, G. P. Intercountry trade: The effects of bilaterism development and regional advantage [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
Chicago-viite (17. p.)Sicat, Gerardo Pasion. Intercountry Trade: The Effects of Bilaterism Development and Regional Advantage [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.
MLA-viite (9. p.)Sicat, Gerardo Pasion. Intercountry Trade: The Effects of Bilaterism Development and Regional Advantage [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
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