APA

jackson n., dhir r., . (1993). civil engineering materiab. london: macmillan.

Chicago

jackson n, dhir r.k, . 1993. civil engineering materiab. london: macmillan.

Harvard

jackson n., dhir r., . (1993). civil engineering materiab. london: macmillan.

MLA

jackson n, dhir r.k, . civil engineering materiab. london: macmillan. 1993.