Nardon, J. D. (1996). Bridge and structure estimating. McGraw-Hill.
Cita Chicago (17th ed.)Nardon, J. David. Bridge and Structure Estimating. New York: McGraw-Hill, 1996.
Cita MLA (8th ed.)Nardon, J. David. Bridge and Structure Estimating. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.