Alcala, A. (2012). Coastal LGU must know their marine environment. Malaya Business Insight.
Chicago Style (17. basım) AtıfAlcala, Angel. "Coastal LGU Must Know Their Marine Environment." Malaya Business Insight 2012.
MLA (9th ed.) AtıfAlcala, Angel. "Coastal LGU Must Know Their Marine Environment." Malaya Business Insight, 2012.
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