Παραπομπή σε μορφή APA (7η εκδ.)

Salud, J. P. (2014). Ecoshield's engineered sanitary landfill: Technology whose time has come. Philippine Graphic.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Salud, Joel Pablo. "Ecoshield's Engineered Sanitary Landfill: Technology Whose Time Has Come." Philippine Graphic 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Salud, Joel Pablo. "Ecoshield's Engineered Sanitary Landfill: Technology Whose Time Has Come." Philippine Graphic, 2014.