Cita APA

Paarlberg, R. L. (1988). Fixing farm trade: Policy options for the United States. Ballinger.

Citación estilo Chicago

Paarlberg, Robert L. Fixing Farm Trade: Policy Options for the United States. Cambridge, Mass: Ballinger, 1988.

Cita MLA

Paarlberg, Robert L. Fixing Farm Trade: Policy Options for the United States. Ballinger, 1988.