O'Sullivan, J. N., Blamey, F. P. C., & Asher, C. J. (1997). Nutrient disorders of sweet potato. Australian Centre for International Agricultural Research.
Chicago-referens (17:e uppl.)O'Sullivan, J. N., F. P. C. Blamey, och C. J. Asher. Nutrient Disorders of Sweet Potato. Canberra: Australian Centre for International Agricultural Research, 1997.
MLA-referens (9:e uppl.)O'Sullivan, J. N., et al. Nutrient Disorders of Sweet Potato. Australian Centre for International Agricultural Research, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.