Johnson, P. E., & Card, G. B. (1998). The use of soil nails for the construction and repair of retaining walls. Transport Research Laboratory.
Chicago Style (17th ed.) CitationJohnson, P. E., and G. B. Card. The Use of Soil Nails for the Construction and Repair of Retaining Walls. Crowthorne, Berkshire: Transport Research Laboratory, 1998.
MLA (9th ed.) CitationJohnson, P. E., and G. B. Card. The Use of Soil Nails for the Construction and Repair of Retaining Walls. Transport Research Laboratory, 1998.
Warning: These citations may not always be 100% accurate.