Ritson, C. (1977). Agricultural economics: Principles and Policy. Cros by Lockwood staples.
Chicago-stil citatRitson, Christopher. Agricultural Economics: Principles and Policy. London: Cros by Lockwood staples, 1977.
MLA-referensRitson, Christopher. Agricultural Economics: Principles and Policy. Cros by Lockwood staples, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.