Goode, 2013Pigliucci, Massimo; Boudry, Maarten (eds.) (2013). «Goode, Erich. Paranormalism and Pseudoscience as Deviance». Philosophy of pseudoscience: reconsidering the demarcation problem (em inglês). Many observers refer to the field as a "pseudoscience". When mainstream scientists say that the field of parapsychology is not scientific, they mean that no satisfying naturalistic cause-and-effect explanation for these supposed effects has yet been proposed and that the field's experiments cannot be consistently replicated. 1 ed. Chicago: The University of Chicago Press. p. 145-163. ISBN978-0-226-05182-6. Consultado em 19 de novembro de 2014A referência emprega parâmetros obsoletos |coautores= (ajuda)
Maria do Carmo M. Schneider. Victor Hugo: a face oculta de um gênio. Anais do XIII Congresso da Associação Brasileira de Literatura Comparada. Página visitada em 01/07/2014.