Rafael Lira Saade, 1996: Chayote Sechium edule (Jacq.) Sw. Promoting the conservation and use of underutilized and neglected crops. 8. Institute of Plant Genetics and Crop Plant Research, Gatersleben/International Plant Genetic Resources Institute, Rom, ISBN 92-9043-298-5. Saade 1996 (Memento vom 25. Februar 2009 im Internet Archive) (PDF, 831 kB, engl.)