Huaman, Z. (1991). Descriptions for sweet potato. International Board for Plant Genetic Resources.
芝加哥风格引文Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
MLA引文Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.
警告：这些引文格式不一定是100％准确.