Blake, L. (1975). Civil Engineer's Reference Book. Newes- Butterworth.
Chicago Stili AlıntıBlake, L.S. Civil Engineer's Reference Book. London: Newes- Butterworth, 1975.
MLA AlıntıBlake, L.S. Civil Engineer's Reference Book. Newes- Butterworth, 1975.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..