1. Aguilar-Vildoso, C. I., Ribeiro, J. G. B., Feitchtenberger, E., de Goes, A., & Spósito, M. B. (2002). Manual técnico de procedimento da mancha preta dos citros. Brasília: MAPA/DAS/DDIV.
2. Baayen, R. P., Bonants, P. J. M., Verkley, G., Carroll, G. C., van der Aa, H. A., de Weerdt, M., et al. (2002). Nonpathogenic isolates of citrus black spot fungus, Guignardia citricarpa identified as a cosmopolitan endophyte of woody plants, G. mangiferae (Phyllosticta capitalensis). Phytopathology, 92, 464–447.
3. Baldassari, R. B., Reis, R. F., & de Goes, A. (2006). Susceptibility of fruits of the ‘Valência’ and ‘Natal’ sweet orange varieties to Guignardia citricarpa and the influence of the coexistence of healthy and symptomatic fruits. Fitopatologia Brasileira, 31, 337–341.
4. Baldassari, R. B., Wickert, E., & de Goes, A. (2008). Pathogenicity, colony morphology, and diversity of isolates of Guignardia citricarpa and G mangiferae isolated from Citrus spp. European Journal of Plant Pathology, 120, 103–110.
5. de Goes, A., Baldassari, R. B., Feichtenberger, E., Spósito, M. B., & Aguilar-Vildoso, C. I. (2000). Cracked spot, a new symptom of citrus black spot (Guignardia citricarpa) in Brazil. Paper presented at the 9th International Citrus Congress of the International Society of Citriculture, Orlando.