Cita APA (7th ed.)

Tolley, G. S. (1982). Agricultural price policies and developing countries. The Johns Hopkins.

Cita Chicago (17th ed.)

Tolley, George S. Agricultural Price Policies and Developing Countries. The Johns Hopkins, 1982.

Cita MLA (9th ed.)

Tolley, George S. Agricultural Price Policies and Developing Countries. The Johns Hopkins, 1982.