(2002). Poverty: Biggest threat to Southeast Asian biodiversity conservation. Manila Bulletin.
Chicago-referens (17:e uppl.)"Poverty: Biggest Threat to Southeast Asian Biodiversity Conservation." Manila Bulletin 2002.
MLA-referens (9:e uppl.)"Poverty: Biggest Threat to Southeast Asian Biodiversity Conservation." Manila Bulletin, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.