Locklin, D. P. (1972). Economics of Transportation (7th ed.). Richard D. Irwin.
シカゴスタイル引用形Locklin, D. Philiph. Economics of Transportation. 7th ed. Illiniois: Richard D. Irwin, 1972.
MLA引用形式Locklin, D. Philiph. Economics of Transportation. 7th ed. Richard D. Irwin, 1972.
警告: この引用は必ずしも正確ではありません.