Villanueva, R., Zoleta, M., & Cabrera, R. 'Responsible mining equals biodiversity conservation'. IN Science & Environment. The Philippine Star.
Chicago-referens (17:e uppl.)Villanueva, Rhodina, Michelle Zoleta, och Romina Cabrera. "'Responsible Mining Equals Biodiversity Conservation'. IN Science & Environment." The Philippine Star .
MLA-referens (9:e uppl.)Villanueva, Rhodina, et al. "'Responsible Mining Equals Biodiversity Conservation'. IN Science & Environment." The Philippine Star, .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.