Purcell, W. (1979). Agricultural marketing: Systems, coordination cash futures prices. Reston Publishing Company Inc.
Chicago-стиль цитированияPurcell, W.D. Agricultural Marketing: Systems, Coordination Cash Futures Prices. Wirginia: Reston Publishing Company Inc, 1979.
MLA-цитированиеPurcell, W.D. Agricultural Marketing: Systems, Coordination Cash Futures Prices. Reston Publishing Company Inc, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.