Não informado. (1960). Bibliography. International Institute for Land Reclamation and Improvement.
Lua i Stíl Chicago (17ú heag.)Não informado. Bibliography. Wageningen, Holanda: International Institute for Land Reclamation and Improvement, 1960.
Lua MLA (8ú heag.)Não informado. Bibliography. International Institute for Land Reclamation and Improvement, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.