De Ocampo, R. S. (1983). Plio-Pleistocene geology of Bolinao, Pangasinan and vicinities. National Museum.
Chicago Style aipamenaDe Ocampo, Roberto Sp. Plio-Pleistocene Geology of Bolinao, Pangasinan and Vicinities. Manila: National Museum, 1983.
MLA aipamenaDe Ocampo, Roberto Sp. Plio-Pleistocene Geology of Bolinao, Pangasinan and Vicinities. National Museum, 1983.
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