Não informado. (1968). Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering.
Citação do estilo Chicago (17ª ed.)Não informado. Soils and Foundations. Tokyo: Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
Citação MLA (8ª ed.)Não informado. Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.