Yap, H. (1990). Oceanography and marine pollution: An ASEAN-EC perpective. Marine Science Institute, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYap, 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 पत्रYap, H.T. Oceanography and Marine Pollution: An ASEAN-EC Perpective. Marine Science Institute, University of the Philippines, 1990.
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