Walters, A. A., & Walters, A. A. (1968). The economics of road user charges. Baltimore, Md.: J. Hopkins.
Chicago Style CitationWalters, A. A., and A. A. Walters. The Economics of Road User Charges. Baltimore, Md.: J. Hopkins, 1968.
MLA CitationWalters, A. A., and A. A. Walters. The Economics of Road User Charges. Baltimore, Md.: J. Hopkins, 1968.
Warning: These citations may not always be 100% accurate.