Phumisuwan, W. (1976). University of the Philippines Elementary School grade six pupils: A descriptive profile [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhumisuwan, Wongjuntara. University of the Philippines Elementary School Grade Six Pupils: A Descriptive Profile [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhumisuwan, Wongjuntara. University of the Philippines Elementary School Grade Six Pupils: A Descriptive Profile [microform]. Photoduplication Service. University of the Philippines Library, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.