APA

Carder D., Symons I., . (1989). Long term performance of a propped retaining wall embedded in stiff clay. Crowthorne: Transport and Road Research Laboratory.

Chicago

Carder DR, Symons IF, . 1989. Long term performance of a propped retaining wall embedded in stiff clay. Crowthorne: Transport and Road Research Laboratory.

Harvard

Carder D., Symons I., . (1989). Long term performance of a propped retaining wall embedded in stiff clay. Crowthorne: Transport and Road Research Laboratory.

MLA

Carder DR, Symons IF, . Long term performance of a propped retaining wall embedded in stiff clay. Crowthorne: Transport and Road Research Laboratory. 1989.