Tacio, H. D. (2017). Soil erosion and sustainable land management. Philippine Graphic.
Cita Chicago (17th ed.)Tacio, Henrylito D. "Soil Erosion and Sustainable Land Management." Philippine Graphic 2017.
Cita MLA (9th ed.)Tacio, Henrylito D. "Soil Erosion and Sustainable Land Management." Philippine Graphic, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.