Bernardo, E. V. (1990). Bagatsing hits 'cartel' in cement industry. Malaya.
Chicagoスタイル(17版)引用形式Bernardo, Emmanuel V. "Bagatsing Hits 'Cartel' in Cement Industry." Malaya 1990.
MLA(9版)引用形式Bernardo, Emmanuel V. "Bagatsing Hits 'Cartel' in Cement Industry." Malaya, 1990.
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