APA

Bull J. W., . (1988). The use of 2 metre square precast concrete rafts at temporary, reusable and cost-effective roads. : Statens Väg- och Trafikinstitut.

Chicago

Bull John W, . 1988. The use of 2 metre square precast concrete rafts at temporary, reusable and cost-effective roads. : Statens Väg- och Trafikinstitut.

Harvard

Bull J. W., . (1988). The use of 2 metre square precast concrete rafts at temporary, reusable and cost-effective roads. : Statens Väg- och Trafikinstitut.

MLA

Bull John W, . The use of 2 metre square precast concrete rafts at temporary, reusable and cost-effective roads. : Statens Väg- och Trafikinstitut. 1988.