Não informado. (1968). Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Soils and Foundations. Tokyo: Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Soils and Foundations. Japanese Society of Soil Mechanics and Foundation Engineering, 1968.
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