Dyfyniad APA

Richey, C. (1961). Agricultural engineers handbook. Mc Graw-Hill Book Co.

Dyfyniad Arddull Chicago

Richey, CB. Agricultural Engineers Handbook. London: Mc Graw-Hill Book Co, 1961.

Dyfyniad MLA

Richey, CB. Agricultural Engineers Handbook. Mc Graw-Hill Book Co, 1961.

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