APA
Hughes G., Barber J., . (1992). Building and civil engineering claims in perspective. Harlow, Essex: Longman Scientific & Technical.
Chicago
Hughes G.A, Barber J.N, . 1992. Building and civil engineering claims in perspective. Harlow, Essex: Longman Scientific & Technical.
Harvard
Hughes G., Barber J., . (1992). Building and civil engineering claims in perspective. Harlow, Essex: Longman Scientific & Technical.
MLA
Hughes G.A, Barber J.N, . Building and civil engineering claims in perspective. Harlow, Essex: Longman Scientific & Technical. 1992.