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Lua i Stíl Chicago (17ú heag.)World Reference Base for Soil Resources 2006: A Framework for International Classification, Correlation and Communication. Rome: Food and agriculture organization of the United Nations, 2006.
Lua MLA (9ú heag.)World Reference Base for Soil Resources 2006: A Framework for International Classification, Correlation and Communication. Food and agriculture organization of the United Nations, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.