Cita APA

Pegrum, D. F. (1968). transportation economics and public policy. Illinois.

Citación estilo Chicago

Pegrum, Dudley F. Transportation Economics and Public Policy. Homewood: Illinois, 1968.

Cita MLA

Pegrum, Dudley F. Transportation Economics and Public Policy. Illinois, 1968.

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