APA引文

Pegrum, D. F. (1968). Transportation economics and public policy. Richard D. Irwin.

Chicago Style (17th ed.) Citation

Pegrum, Dudley F. Transportation Economics and Public Policy. Richard D. Irwin, 1968.

MLA引文

Pegrum, Dudley F. Transportation Economics and Public Policy. Richard D. Irwin, 1968.

警告：这些引文格式不一定是100％准确.