Bot, A., & Benites, J. (2005). The importance of soil organic matter: Key to drought-resistant soil and sustained food production.
Lua i Stíl Chicago (17ú heag.)Bot, Alexandra, agus Jose Benites. The Importance of Soil Organic Matter: Key to Drought-resistant Soil and Sustained Food Production. 2005.
Lua MLA (9ú heag.)Bot, Alexandra, agus Jose Benites. The Importance of Soil Organic Matter: Key to Drought-resistant Soil and Sustained Food Production. 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.