Não informado. (1968). Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering.
Lua i Stíl Chicago (17ú heag.)Não informado. Soils and Foundations. Tokyo: Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
Lua MLA (8ú heag.)Não informado. Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.