Ritson,Christopher. (1977). Agricultural economics: Principles and policy. Granada Publishing.
Chicago-стиль цитированияRitson,Christopher. Agricultural Economics: Principles and Policy. London: Granada Publishing, 1977.
MLA-цитированиеRitson,Christopher. Agricultural Economics: Principles and Policy. Granada Publishing, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.