Cita APA

Drummond, H. E. (2004). Agricultural economics. Upper Saddle River, N.J: Prentice Hall.

Chicago Style Citation

Drummond, H. Evan. Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2004.

Cita MLA

Drummond, H. Evan. Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.