Herren, R. V. (2006). Agricultural mechanics: Fundamentals and applications. Clifton Park, NY: Thomson/Delmar Learning.
Dyfyniad Arddull ChicagoHerren, Ray V. Agricultural Mechanics: Fundamentals and Applications. Clifton Park, NY: Thomson/Delmar Learning, 2006.
Dyfyniad MLAHerren, Ray V. Agricultural Mechanics: Fundamentals and Applications. Clifton Park, NY: Thomson/Delmar Learning, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.