Benitez, C. The old Philippines' industrial development, chapters of an economic history [microform]. s.n.
Lua i Stíl Chicago (17ú heag.)Benitez, Conrado. The Old Philippines' Industrial Development, Chapters of an Economic History [microform]. s.l: s.n.
Lua MLA (9ú heag.)Benitez, Conrado. The Old Philippines' Industrial Development, Chapters of an Economic History [microform]. s.n.
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