Philippine Council for Sustainable Development. (1999). SIAD guidebook: A framework for the localization of Philippine agenda 21. Center for Development Initiatives.
Cita Chicago (17th ed.)Philippine Council for Sustainable Development. SIAD Guidebook: A Framework for the Localization of Philippine Agenda 21. Quezon City: Center for Development Initiatives, 1999.
Cita MLA (9th ed.)Philippine Council for Sustainable Development. SIAD Guidebook: A Framework for the Localization of Philippine Agenda 21. Center for Development Initiatives, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.