APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.