Gridley, R. (1972). The Sohoton cave ceramic material. Leyte-Samar Studies.
Chicago Style (17th ed.) CitationGridley, Roger. "The Sohoton Cave Ceramic Material." Leyte-Samar Studies 1972.
MLA (9th ed.) CitationGridley, Roger. "The Sohoton Cave Ceramic Material." Leyte-Samar Studies, 1972.
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