Transportation information sources; an annotated guide to publications, agencies, and other data sources concerning air, rail, water, road, and pipeline transportation
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Detroit
Gale Research
c1965.
|
| Cyfres: | Management information guide, 8
|
| Pynciau: |