Huaman, Z. (1991). Descriptions for sweet potato. International Board for Plant Genetic Resources.
Cita Chicago Style (17a ed.)Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
Cita MLA (9a ed.)Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
Precaución: Estas citas no son 100% exactas.