Richey, C. (1961). Agricultural engineers handbook. Mc Graw-Hill Book Co.
Chicago Edition CitationRichey, CB. Agricultural Engineers Handbook. London: Mc Graw-Hill Book Co, 1961.
Deismireacht MLARichey, CB. Agricultural Engineers Handbook. Mc Graw-Hill Book Co, 1961.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.