Purcell, W. D. (1999). Agricultural futures and options: Principles and strategies. Upper Saddle River, N.J: Prentice Hall.
Chicago-stil citatPurcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.
MLA-referensPurcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.