(1976). President Sergio Osmena: The highlights of a leadership unequalled by that of any living Filipino [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPresident Sergio Osmena: The Highlights of a Leadership Unequalled by That of Any Living Filipino [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPresident Sergio Osmena: The Highlights of a Leadership Unequalled by That of Any Living Filipino [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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