Dyfyniad APA

Weille, J. d. (1966). Quantification of road user savings. World Bank.

Dyfyniad Arddull Chicago

Weille, Jan de. Quantification of Road User Savings. Washington, D.C.: World Bank, 1966.

Dyfyniad MLA

Weille, Jan de. Quantification of Road User Savings. World Bank, 1966.

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