Cauagas, S. P. (1956). Otter trawling with the M/L "Josie". College of Fisheries, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCauagas, Silverio P. Otter Trawling with the M/L "Josie". Miagao,Iloilo: College of Fisheries, University of the Philippines, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCauagas, Silverio P. Otter Trawling with the M/L "Josie". College of Fisheries, University of the Philippines, 1956.
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