Boles, W (2018). del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David A; de Juana, Eduardo (Ed.). "Wattled Ploughbill (Eulacestoma nigropectus)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Erişim tarihi: 13 Şubat 2019.