APA
Croxton P., Martin L. & Purkiss J. (1984). Elementary structural design of steelwork to BS449. London: Edward Arnold.
Chicago
Croxton P.C.L, Martin L.H and Purkiss J.A. 1984. Elementary structural design of steelwork to BS449. London: Edward Arnold.
Harvard
Croxton P., Martin L. and Purkiss J. (1984). Elementary structural design of steelwork to BS449. London: Edward Arnold.
MLA
Croxton P.C.L, Martin L.H and Purkiss J.A. Elementary structural design of steelwork to BS449. London: Edward Arnold. 1984.