Urlanda, R. V. (2000). Mining: A sunset industry that could shine again. Philippine Panorama.
Cita Chicago Style (17a ed.)Urlanda, Randy V. "Mining: A Sunset Industry That Could Shine Again." Philippine Panorama 2000.
Cita MLA (9a ed.)Urlanda, Randy V. "Mining: A Sunset Industry That Could Shine Again." Philippine Panorama, 2000.
Precaución: Estas citas no son 100% exactas.