(1997). UP's environmental heritage for the 21st century: The Laguna-Quezon and Laguna land grant master plan. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUP's Environmental Heritage for the 21st Century: The Laguna-Quezon and Laguna Land Grant Master Plan. [S.l: s.n, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUP's Environmental Heritage for the 21st Century: The Laguna-Quezon and Laguna Land Grant Master Plan. s.n, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.