Heath, W., & Robinson, R. (1980). Review of published research into the formation of corrugations on unpaved roads. Transport and Road Research Laboratory.
Cita Chicago (17th ed.)Heath, W., i R. Robinson. Review of Published Research into the Formation of Corrugations on Unpaved Roads. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1980.
Cita MLA (9th ed.)Heath, W., i R. Robinson. Review of Published Research into the Formation of Corrugations on Unpaved Roads. Transport and Road Research Laboratory, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.