National Science Information Symposium (1st : 1965) & National Research Council of the Philippines. (1965). Proceedings. National Science Development Board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Science Information Symposium (1st : 1965) और National Research Council of the Philippines. Proceedings. Manila: National Science Development Board, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Science Information Symposium (1st : 1965) और National Research Council of the Philippines. Proceedings. National Science Development Board, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.