International Labour Office, Edmonds, G. A., & Howe, J. D. G. F. (1980). Roads and resources: Appropriate technology in road construction in developing countries : a study prepared for the International Labour Office within the framework of the World Employment Programme. Intermediate Technology Publication.
Chicago-Zitierstil (17. Ausg.)International Labour Office, G. A. Edmonds, und J. D. G. F. Howe. Roads and Resources: Appropriate Technology in Road Construction in Developing Countries : A Study Prepared for the International Labour Office Within the Framework of the World Employment Programme. London: Intermediate Technology Publication, 1980.
MLA-Zitierstil (8. Ausg.)International Labour Office, et al. Roads and Resources: Appropriate Technology in Road Construction in Developing Countries : A Study Prepared for the International Labour Office Within the Framework of the World Employment Programme. Intermediate Technology Publication, 1980.