Dyfyniad APA

Hughes, H. A. (1982). Fundamentals of machine operation (2nd ed.). John Deere Technical Services.

Dyfyniad Arddull Chicago

Hughes, Harold A. Fundamentals of Machine Operation. 2nd ed. Moline, Ill: John Deere Technical Services, 1982.

Dyfyniad MLA

Hughes, Harold A. Fundamentals of Machine Operation. 2nd ed. John Deere Technical Services, 1982.

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