University of the Philippines Planning and Development Research Foundation, I. Comprehensive land use plan for municipality of Calumpit, Bulacan: Zoning ordinance, socio economic and physical profile final report. University of the Philippines Planning and Development Research Foundation, Inc. (UP PLANADES) , 2000.
Cita Chicago (17th ed.)University of the Philippines Planning and Development Research Foundation, Inc. Comprehensive Land Use Plan for Municipality of Calumpit, Bulacan: Zoning Ordinance, Socio Economic and Physical Profile Final Report. Quezon City: University of the Philippines Planning and Development Research Foundation, Inc. (UP PLANADES) , 2000.
Cita MLA (9th ed.)University of the Philippines Planning and Development Research Foundation, Inc. Comprehensive Land Use Plan for Municipality of Calumpit, Bulacan: Zoning Ordinance, Socio Economic and Physical Profile Final Report. University of the Philippines Planning and Development Research Foundation, Inc. (UP PLANADES) , 2000.