Kay, Ronald D. Farm management / Ronald D. Kay, William M. Edwards, Patricia A. Duffy. - 6th ed. - New York, N. Y. : McGraw-Hill, c2008. - ix, 468 p. : ill. ; 24 cm. Glossary : p. 452 - 462. Includes index. ISBN: 0073028290 (hard copy) Subjects--Topical Terms: Farm management.