Arpa, M. C. B. (2006). Geochemistry of the upper Diliman Tuff unit in Manila, southwest Luzon, Philippines: Insights on its origin and comparison with Taal and Laguna caldera pyroclastic flows. ProQuest Information and Learning Company.
Chicago Style (17th ed.) CitationArpa, Maria Carmencita B. Geochemistry of the Upper Diliman Tuff Unit in Manila, Southwest Luzon, Philippines: Insights on Its Origin and Comparison with Taal and Laguna Caldera Pyroclastic Flows. Ann Arbor Michigan: ProQuest Information and Learning Company, 2006.
MLA (9th ed.) CitationArpa, Maria Carmencita B. Geochemistry of the Upper Diliman Tuff Unit in Manila, Southwest Luzon, Philippines: Insights on Its Origin and Comparison with Taal and Laguna Caldera Pyroclastic Flows. ProQuest Information and Learning Company, 2006.