Description of soursop http://www.hort.purdue.edu/newcrop/morton/soursop.html "Soursop (Annona muricata)" http://www.hort.purdue.edu/newcrop/morton/soursop.html Soursop — Annona muricata Morton, J. 1987 “Soursop (Annona muricata)” Hort.Purdue.edu Description of soursop Descripción de Annona muricata All about Soursop "Frutos de climas cálidos"; Guanábana; Julia F. Norton; 1987 http://www.hort.purdue.edu/newcrop/morton/soursop.html Description of soursop Descrizione dell'Annona muricata Purdue University Soursop Research Fruits of warm climates, pp. 75-80 Soursop — Annona muricata Purdue University: Soursop Descripción de Annona muricata Purdue Info page Descripción de Annona muricata Description of soursop http://www.hort.purdue.edu/newcrop/morton/soursop.html Purdue University Extension: Soursop Purdue University: Soursop -- Annona Muricata the soursop. Purdue University: Soursop Annona Muricata Περιγραφή http://www.hort.purdue.edu/newcrop/morton/soursop.html Purdue Horticulture and Landscape Architecture: Soursop Description of soursop http://www.hort.purdue.edu/newcrop/morton/soursop.html Soursop Fruits of warm climates, pp. 75-80 Annona muricata Fruits of Warm Climates documento dell'Università di Purdue Description of soursop Descripción de Annona muricata Descrizione dell'Annona muricata Purdue University Center for New Crops & Plant Products Purdue University Soursop Research "Soursop (Annona muricata)" Description of soursop Annona muricata - Soursop http://www.hort.purdue.edu/newcrop/morton/soursop.html Purdue University: Soursop