Pond, D. H. The Philippine tariff law of 1957. January 1959. s.n.
Chicago Style (17th ed.) CitationPond, Donald H. The Philippine Tariff Law of 1957. January 1959. [Manila: s.n.
MLA (9th ed.) CitationPond, Donald H. The Philippine Tariff Law of 1957. January 1959. s.n.
Warning: These citations may not always be 100% accurate.