Cita APA

Evenson, R. E. 1. (1989). U.S. agricultural competitiveness: Evidence from invention data. New Haven, Connecticut: Yale University, Economic Growth Center.

Citación estilo Chicago

Evenson, Robert Eugene 1934-. U.S. Agricultural Competitiveness: Evidence From Invention Data. New Haven, Connecticut: Yale University, Economic Growth Center, 1989.

Cita MLA

Evenson, Robert Eugene 1934-. U.S. Agricultural Competitiveness: Evidence From Invention Data. New Haven, Connecticut: Yale University, Economic Growth Center, 1989.