Salud, J. P. (2014). Ecoshield's engineered sanitary landfill: Technology whose time has come. Philippine Graphic.
Citación estilo ChicagoSalud, Joel Pablo. "Ecoshield's Engineered Sanitary Landfill: Technology Whose Time Has Come." Philippine Graphic 2014.
Cita MLASalud, Joel Pablo. "Ecoshield's Engineered Sanitary Landfill: Technology Whose Time Has Come." Philippine Graphic, 2014.
Warning: These citations may not always be 100% accurate.