Osorio, C. C. (2000). Perceived socio-economic educational and moral issues in sustainable cities. IN Educators speak [column]. Manila Bulletin.
Chicagoスタイル(17版)引用形式Osorio, Corazon C. "Perceived Socio-economic Educational and Moral Issues in Sustainable Cities. IN Educators Speak [column]." Manila Bulletin 2000.
MLA(9版)引用形式Osorio, Corazon C. "Perceived Socio-economic Educational and Moral Issues in Sustainable Cities. IN Educators Speak [column]." Manila Bulletin, 2000.
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