(1981). International manual for the sampling of soft cohesive soils. Tokyo: Tokai University Press.
Chicago Stili AlıntıInternational Manual for the Sampling of Soft Cohesive Soils. Tokyo: Tokai University Press, 1981.
MLA AlıntıInternational Manual for the Sampling of Soft Cohesive Soils. Tokyo: Tokai University Press, 1981.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..