APA (7 वां संस्करण) प्रशस्ति पत्र

National Rice and Corn Corporation. (1977). Annual report of the Board of Directors. 1936- [microform]. Photoduplication Service, University of the Philippines Library.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

National Rice and Corn Corporation. Annual Report of the Board of Directors. 1936- [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

National Rice and Corn Corporation. Annual Report of the Board of Directors. 1936- [microform]. Photoduplication Service, University of the Philippines Library, 1977.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.