Cita APA

Barkley, A. P. (1990). The determinants of the migration of labor out of agriculture in the United States, 1940-85. Wisconsin: American Agricultural Economics Association.

Citación estilo Chicago

Barkley, Andrew P. The Determinants of the Migration of Labor Out of Agriculture in the United States, 1940-85. Wisconsin: American Agricultural Economics Association, 1990.

Cita MLA

Barkley, Andrew P. The Determinants of the Migration of Labor Out of Agriculture in the United States, 1940-85. Wisconsin: American Agricultural Economics Association, 1990.