APA引文

Purcell, W. D. (1999). Agricultural futures and options: Principles and strategies. Upper Saddle River, N.J: Prentice Hall.

Trích dẫn kiểu Chicago

Purcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA引文

Purcell, Wayne D. Agricultural Futures and Options: Principles and Strategies. Upper Saddle River, N.J: Prentice Hall, 1999.

警告：這些引文格式不一定是100％准確.