Dalsen, C. (1997). Arboretum: Burying Metro's last rain forest in garbage. Manila Times.
Lua i Stíl Chicago (17ú heag.)Dalsen, Crystalyn. "Arboretum: Burying Metro's Last Rain Forest in Garbage." Manila Times 1997.
Lua MLA (9ú heag.)Dalsen, Crystalyn. "Arboretum: Burying Metro's Last Rain Forest in Garbage." Manila Times, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.