Dyfyniad APA

Domel, A. W. (1997). Basic engineering calculations for contractors. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Domel, August W. Basic Engineering Calculations for Contractors. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Domel, August W. Basic Engineering Calculations for Contractors. New York: McGraw-Hill, 1997.

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