APA

Association of Consulting Engineers L., . (1963). A.C.E. conditions of engagement. London: Association of Consulting Engineers.

Chicago

Association of Consulting Engineers London, . 1963. A.C.E. conditions of engagement. London: Association of Consulting Engineers.

Harvard

Association of Consulting Engineers L., . (1963). A.C.E. conditions of engagement. London: Association of Consulting Engineers.

MLA

Association of Consulting Engineers London, . A.C.E. conditions of engagement. London: Association of Consulting Engineers. 1963.