APA Style
Twort, A, C, (, C., Rees, J, G. (2003).
Civil engineering: project management (4th ed.).
enk:
Butterworth-Heinemann.
MLA Style
Twort, A., C., (Alan, Charles)., Rees, J., Gordon..
"Civil engineering: project management".
4th ed.
enk:
Butterworth-Heinemann,
2003.
Computer File.