Barcelon, E. (2002). Mindanao Highways. IN Voice from the South [column]. Manila Bulletin.
Chicagoスタイル(17版)引用形式Barcelon, Emeterio. "Mindanao Highways. IN Voice from the South [column]." Manila Bulletin 2002.
MLA(9版)引用形式Barcelon, Emeterio. "Mindanao Highways. IN Voice from the South [column]." Manila Bulletin, 2002.
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