Hermes, R. (1998). Establishment, maintenance and monitoring of marine protected areas: A guide book. Philippine Business for Social Progress.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHermes, Rudolf. Establishment, Maintenance and Monitoring of Marine Protected Areas: A Guide Book. Manila, Philippines: Philippine Business for Social Progress, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHermes, Rudolf. Establishment, Maintenance and Monitoring of Marine Protected Areas: A Guide Book. Philippine Business for Social Progress, 1998.
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