APA
Gaba A. R., Simpson B., Powrie W., Beadman D. R., Construction Industry Research and Information Association & United Kingdom. (2003). Embedded retaining walls. London: CIRIA.
Chicago
Gaba A R, Simpson B, Powrie W, Beadman D R, Construction Industry Research and Information Association and United Kingdom. 2003. Embedded retaining walls. London: CIRIA.
Harvard
Gaba A. R., Simpson B., Powrie W., Beadman D. R., Construction Industry Research and Information Association and United Kingdom. (2003). Embedded retaining walls. London: CIRIA.
MLA
Gaba A R, Simpson B, Powrie W, Beadman D R, Construction Industry Research and Information Association and United Kingdom. Embedded retaining walls. London: CIRIA. 2003.