Ritson, C. (1977). Agricultural economics: Principles and policy. Crosby Lockwood Staples.
Cita Chicago Style (17a ed.)Ritson, Christopher. Agricultural Economics: Principles and Policy. London: Crosby Lockwood Staples, 1977.
Cita MLA (9a ed.)Ritson, Christopher. Agricultural Economics: Principles and Policy. Crosby Lockwood Staples, 1977.
Precaución: Estas citas no son 100% exactas.