Philippines. National Statistical Coordination Board. (2002). Compendium of Philippine environment statistics 2002 (2nd ed.). National Statistical Coordination Board.
Chicago-referens (17:e uppl.)Philippines. National Statistical Coordination Board. Compendium of Philippine Environment Statistics 2002. 2nd ed. Makati City: National Statistical Coordination Board, 2002.
MLA-referens (9:e uppl.)Philippines. National Statistical Coordination Board. Compendium of Philippine Environment Statistics 2002. 2nd ed. National Statistical Coordination Board, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.