Jones, T. E., & Robinson, R. (1986). A study of the cost-effectiveness of grading unpaved roads in developing countries. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Jones, T. E., und R. Robinson. A Study of the Cost-effectiveness of Grading Unpaved Roads in Developing Countries. Crowthorne: Transport and Road Research Laboratory, 1986.
MLA-Zitierstil (9. Ausg.)Jones, T. E., und R. Robinson. A Study of the Cost-effectiveness of Grading Unpaved Roads in Developing Countries. Transport and Road Research Laboratory, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.