Kay, Ronald D Farm management / Ronald D. Kay, William M. Edwards, Patricia A. Duffy. - 8th ed. - New York : McGraw-Hill Education, 2016. - xiv, 466 pages : illustrations ; 22 cm. Includes index. ISBN: 9789814636254 (Pbk. : alk. paper) Subjects--Topical Terms: Farm management. LC Class. No.: S561 / .K39 2015