CONFERENCE. CONFERENCE ON CHEMISTRY AND FERTILITY OF TROPICAL SOILS (PROCEDINGS). Society of Soil Science.
Lua i Stíl Chicago (17ú heag.)CONFERENCE. CONFERENCE ON CHEMISTRY AND FERTILITY OF TROPICAL SOILS (PROCEDINGS). Society of Soil Science.
Lua MLA (8ú heag.)CONFERENCE. CONFERENCE ON CHEMISTRY AND FERTILITY OF TROPICAL SOILS (PROCEDINGS). Society of Soil Science.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.