Philippine Council for Sustainable Development. (1997). Philippine agenda 21: A national agenda for sustainable development. Philippine Council for Sustainable Development.
Citazione stile Chigago Style (17a edizione)Philippine Council for Sustainable Development. Philippine Agenda 21: A National Agenda for Sustainable Development. Manila: Philippine Council for Sustainable Development, 1997.
Citatione MLA (9a ed.)Philippine Council for Sustainable Development. Philippine Agenda 21: A National Agenda for Sustainable Development. Philippine Council for Sustainable Development, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.