Purcell, W. D. (1999). Agricultural futures and options: Principles and strategies. Upper Saddle River, N.J: Prentice Hall.
Trích dẫn kiểu ChicagoPurcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.
ציטוט MLAPurcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.