Cita APA

Ball, V. E., Gollop, F. M., Kelly-Hawke, A., & Swinand, G. P. (1999). Patterns of state productivity growth in the U.S farm sector: Linking state and aggregate models. Wisconsin: American Agricultural Economics Association.

Citación estilo Chicago

Ball, V. Eldon, Frank M. Gollop, Alison Kelly-Hawke, and Gregory P. Swinand. Patterns of State Productivity Growth in the U.S Farm Sector: Linking State and Aggregate Models. Wisconsin: American Agricultural Economics Association, 1999.

Cita MLA

Ball, V. Eldon, Frank M. Gollop, Alison Kelly-Hawke, and Gregory P. Swinand. Patterns of State Productivity Growth in the U.S Farm Sector: Linking State and Aggregate Models. Wisconsin: American Agricultural Economics Association, 1999.