Calica, A. P-Noy awards mining companies for exemplary practices. In People & Events. The Philippine Star.
Citace podle Chicago (17th ed.)Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star .
Citace podle MLA (9th ed.)Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star, .
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