NAÇÕES UNIDAS. Intersecretariat Working Group on Transport Statistics
Glossary for transport statistics / Intersecretariat Working Group on Transport Statistics . - 3rd ed. . - [Luxembourg] : [Office for Official Publications of the European Communities], [2003] . - 1 CD-ROM; 12 cm . - ISBN: 928944942X
GLOSSÁRIO / OBRA DE REFERÊNCIA / ESTATÍSTICA /