Zahradnik, J. (1955) “Zur Nomenklatur von Quadraspidiotus ma ani Zahradník (Quadraspidiotus schneideri Bachmann) (Homoptera: Coccoidea)”., Contributions to Entomology = Beiträge zur Entomologie, 5(1-2), pp. 88–90. doi:10.21248/contrib.entomol.5.1-2.88-90.