APA (7e ed.) Bronvermelding

Calica, A. P-Noy awards mining companies for exemplary practices. In People & Events. The Philippine Star.

Chicago (17e ed.) Bronvermelding

Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star .

MLA (9e ed.) Bronvermelding

Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star, .

Let op: Deze citaties zijn niet altijd 100% accuraat.