Nourse, E. (1919). Agricultural Economics. The university of Chicago Press.
Cita Chicago Style (17a ed.)Nourse, Edwin. Agricultural Economics. Chicago: The university of Chicago Press, 1919.
Cita MLA (9a ed.)Nourse, Edwin. Agricultural Economics. The university of Chicago Press, 1919.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.