Jamoralin, R. (1998). Gentle whale sharks in Bicol threatened. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Jamoralin, Reynaldo. "Gentle Whale Sharks in Bicol Threatened." Philippine Daily Inquirer 1998.
MLA(9版)引用形式Jamoralin, Reynaldo. "Gentle Whale Sharks in Bicol Threatened." Philippine Daily Inquirer, 1998.
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