Alcala, A. (2008). Agusan River estuary development potential. Malaya.
Chicago Style (17th ed.) CitationAlcala, Angel. "Agusan River Estuary Development Potential." Malaya 2008.
MLA (9th ed.) CitationAlcala, Angel. "Agusan River Estuary Development Potential." Malaya, 2008.
Warning: These citations may not always be 100% accurate.