Brush, S. B. (2000). Genes in the field: On-farm conservation of crop diversity. Lewis.
Cita Chicago (17th ed.)Brush, Stephen B. Genes in the Field: On-farm Conservation of Crop Diversity. London: Lewis, 2000.
Cita MLA (9th ed.)Brush, Stephen B. Genes in the Field: On-farm Conservation of Crop Diversity. Lewis, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.