Pelensky, E. (1962). Economics of road improvements: A report on a special investigation carried out at the University of N.S.W. Dept. of Main Roads.
Dyfyniad Arddull ChicagoPelensky, E. Economics of Road Improvements: A Report on a Special Investigation Carried Out at the University of N.S.W. [Sydney]: Dept. of Main Roads, 1962.
Dyfyniad MLAPelensky, E. Economics of Road Improvements: A Report on a Special Investigation Carried Out at the University of N.S.W. Dept. of Main Roads, 1962.
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