Second، G؛ C. Iglesias (2001). "Chapter 11: The State of the Use of Cassava Genetic Diversity and a Proposal to Enhance it". في H. David Cooper, Charlie Spillane (المحرر). Broadening the Genetic Base of Crop Production. CABI. ص. 202–203. ISBN:978-0-85199-411-6. مؤرشف من الأصل في 2014-10-19.
Second، G؛ C. Iglesias (2001). "Chapter 11: The State of the Use of Cassava Genetic Diversity and a Proposal to Enhance it". في H. David Cooper, Charlie Spillane (المحرر). Broadening the Genetic Base of Crop Production. CABI. ص. 202–203. ISBN:978-0-85199-411-6. مؤرشف من الأصل في 2014-10-19.