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Lua i Stíl Chicago (17ú heag.)Jones, J. Benton, Jr. Soil Testing and Plant Analysis: Procedures and Use. Taipei City, Taiwan, Republic of China: ASPAC, Food & Fertilizer Technology Center, 1988.
Lua MLA (9ú heag.)Jones, J. Benton, Jr. Soil Testing and Plant Analysis: Procedures and Use. ASPAC, Food & Fertilizer Technology Center, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.