Não informado. Road documentation for developing countries: A SELECTION OF IRRD ABSTRACTS. Organization for Economic Co-operation and Development.
Chicago-Zitierstil (17. Ausg.)Não informado. Road Documentation for Developing Countries: A SELECTION OF IRRD ABSTRACTS. Berkshire, Inglaterra: Organization for Economic Co-operation and Development.
MLA-Zitierstil (8. Ausg.)Não informado. Road Documentation for Developing Countries: A SELECTION OF IRRD ABSTRACTS. Organization for Economic Co-operation and Development.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.