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Lua i Stíl Chicago (17ú heag.)Tropical Soil Biology And Fertility A Handbook Of Methods Edited By Jm. Anderson And Js. Ingram. CAB International, 1993.
Lua MLA (8ú heag.)Tropical Soil Biology And Fertility A Handbook Of Methods Edited By Jm. Anderson And Js. Ingram. CAB International, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.