Landers, J. (2007). Tropical crop-livestock systems in conservation agriculture. The Brazilian experience.
Lua i Stíl Chicago (17ú heag.)Landers, John. Tropical Crop-livestock Systems in Conservation Agriculture. The Brazilian Experience. 2007.
Lua MLA (9ú heag.)Landers, John. Tropical Crop-livestock Systems in Conservation Agriculture. The Brazilian Experience. 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.