APA

Cramer G. L., Jensen C. W., . (1979). Agricultural economics and agribusiness : an introduction. New York: John Wiley & Sons.

Chicago

Cramer Gail L, Jensen Clarence W, . 1979. Agricultural economics and agribusiness : an introduction. New York: John Wiley & Sons.

Harvard

Cramer G. L., Jensen C. W., . (1979). Agricultural economics and agribusiness : an introduction. New York: John Wiley & Sons.

MLA

Cramer Gail L, Jensen Clarence W, . Agricultural economics and agribusiness : an introduction. New York: John Wiley & Sons. 1979.