MacCord, C. W. (1892). Mechanical drawing: Progressive exercises and practical hints. J. Wiley & sons.
Dyfyniad Arddull ChicagoMacCord, Charles William. Mechanical Drawing: Progressive Exercises and Practical Hints. New York: J. Wiley & sons, 1892.
Dyfyniad MLAMacCord, Charles William. Mechanical Drawing: Progressive Exercises and Practical Hints. J. Wiley & sons, 1892.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.