Twort, A. C. (1972). Civil engineering: Supervision and management (2nd ed.). Edward Arnold.
Citazione stile Chigago Style (17a edizione)Twort, A. C. Civil Engineering: Supervision and Management. 2nd ed. London: Edward Arnold, 1972.
Citatione MLA (9a ed.)Twort, A. C. Civil Engineering: Supervision and Management. 2nd ed. Edward Arnold, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.