Blake, L. (1975). Civil Engineer's Reference Book. Newes- Butterworth.
Chicago Edition CitationBlake, L.S. Civil Engineer's Reference Book. London: Newes- Butterworth, 1975.
Cita MLABlake, L.S. Civil Engineer's Reference Book. Newes- Butterworth, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.