Kutcher, G. P. (1981). The Agricultural Economy of Northeast Brazil. The Johns Hopkins U. Pr..
Cita Chicago (17th ed.)Kutcher, Gary P. The Agricultural Economy of Northeast Brazil. London: The Johns Hopkins U. Pr., 1981.
Cita MLA (9th ed.)Kutcher, Gary P. The Agricultural Economy of Northeast Brazil. The Johns Hopkins U. Pr., 1981.
Atenció: Aquestes cites poden no estar 100% correctes.