Dyfyniad APA

Huaman, Z. (1991). Descriptions for sweet potato. International Board for Plant Genetic Resources.

Dyfyniad Arddull Chicago

Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.

Dyfyniad MLA

Huaman, Z. Descriptions for Sweet Potato. International Board for Plant Genetic Resources, 1991.

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