Cita APA

Pegrum, D. F. (1963). Transportation: Economics and public policy. Irwin.

Citación estilo Chicago

Pegrum, Dudley Frank. Transportation: Economics and Public Policy. Homewood, Ill: Irwin, 1963.

Cita MLA

Pegrum, Dudley Frank. Transportation: Economics and Public Policy. Irwin, 1963.

Warning: These citations may not always be 100% accurate.