Yan, G. (2014). WWF disputes FEF figures on solar projects. AmCham Philippines Business Journal.
Lua i Stíl Chicago (17ú heag.)Yan, Gregg. "WWF Disputes FEF Figures on Solar Projects." AmCham Philippines Business Journal 2014.
Lua MLA (9ú heag.)Yan, Gregg. "WWF Disputes FEF Figures on Solar Projects." AmCham Philippines Business Journal, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.