APA (7 वां संस्करण) प्रशस्ति पत्र

Yap, H. (1990). Oceanography and marine pollution: An ASEAN-EC perpective. Marine Science Institute, University of the Philippines.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Yap, H.T. Oceanography and Marine Pollution: An ASEAN-EC Perpective. Quezon City, Philippines: Marine Science Institute, University of the Philippines, 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Yap, H.T. Oceanography and Marine Pollution: An ASEAN-EC Perpective. Marine Science Institute, University of the Philippines, 1990.

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