Dyfyniad APA

Nardon, J. D. (1996). Bridge and structure estimating. McGraw-Hill.

Dyfyniad Arddull Chicago

Nardon, J. David. Bridge and Structure Estimating. New York: McGraw-Hill, 1996.

Dyfyniad MLA

Nardon, J. David. Bridge and Structure Estimating. McGraw-Hill, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.