Cita APA (7a ed.)
Thies, E. (2000). Promising and underutilized species, crops and breeds. GTZ.
Cita Chicago Style (17a ed.)
Thies, E. Promising and Underutilized Species, Crops and Breeds. GTZ, 2000.
Cita MLA (9a ed.)
Thies, E. Promising and Underutilized Species, Crops and Breeds. GTZ, 2000.
Precaución: Estas citas no son 100% exactas.