Duncan, N. (1969). Engineering geology and rock mechanics volume 2. Leonard Hill.
Chicagoスタイル(17版)引用形式Duncan, Neil. Engineering Geology and Rock Mechanics Volume 2. London: Leonard Hill, 1969.
MLA(9版)引用形式Duncan, Neil. Engineering Geology and Rock Mechanics Volume 2. Leonard Hill, 1969.
警告: この引用は必ずしも正確ではありません.