Huaman, Z. (1991). Descriptions for sweet potato. International Board for Plant Genetic Resources.
Chicago-čujuhus (17. p.)Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
MLA-čujuhus (9. p.)Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.