Weille, J. D. (1966). Quantification of road user savings. Johns Hopkins Press.
Chicagoスタイル(17版)引用形式Weille, Jan De. Quantification of Road User Savings. Washington: Johns Hopkins Press, 1966.
MLA(9版)引用形式Weille, Jan De. Quantification of Road User Savings. Johns Hopkins Press, 1966.
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