Cramer, Gail L. Agricultural economics and agribusiness / Gail L. Cramer, Clarence W. Jensen - 2nd ed. - New York, Chichester : Wiley, 1982 - xiii, 465 p. : ill. ; 24cm. Bibliography: p448-449. - Includes index ISBN: 0471093939 Subjects--Topical Terms: Agriculture--Economic aspects--United States