United Technological Organizations of the Philippines. (1959). Directory of UTOP members, 1959. s.n.
Chicago Style (17. basım) AtıfUnited Technological Organizations of the Philippines. Directory of UTOP Members, 1959. [Manila: s.n, 1959.
MLA (9th ed.) AtıfUnited Technological Organizations of the Philippines. Directory of UTOP Members, 1959. s.n, 1959.
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