(2018). Tide and current tables: Philippines : 2019. National Mapping and Resource Information Authority.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTide and Current Tables: Philippines : 2019. Taguig City: National Mapping and Resource Information Authority, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTide and Current Tables: Philippines : 2019. National Mapping and Resource Information Authority, 2018.
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