(2000). Farmer-scientist proclaims benefits of organic farming. Tao-Kalikasan.
Lua i Stíl Chicago (17ú heag.)"Farmer-scientist Proclaims Benefits of Organic Farming." Tao-Kalikasan 2000.
Lua MLA (9ú heag.)"Farmer-scientist Proclaims Benefits of Organic Farming." Tao-Kalikasan, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.