Dyfyniad APA

Kay, R. D., Duffy, P., & Edwards, W. M. (2004). Farm management (5th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Kay, Ronald D., Patricia Duffy, và William M. Edwards. Farm Management. 5th ed. Boston: McGraw-Hill, 2004.

Dyfyniad MLA

Kay, Ronald D., Patricia Duffy, và William M. Edwards. Farm Management. 5th ed. Boston: McGraw-Hill, 2004.

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