Peña, R. (2008). Lexicon of Philippine stratigraphy, 2008. Geological Society of the Philippines.
Chicago Style (17th ed.) CitationPeña, Rolando. Lexicon of Philippine Stratigraphy, 2008. Mandaluyong City, Philippines: Geological Society of the Philippines, 2008.
MLA (9th ed.) CitationPeña, Rolando. Lexicon of Philippine Stratigraphy, 2008. Geological Society of the Philippines, 2008.
Warning: These citations may not always be 100% accurate.