Analysis of information sources in references of the Wikipedia article "Os Cegos e o Elefante" in Portuguese language version.
[b] Jeremy P. Shapiro; Robert D. Friedberg; Karen K. Bardenstein (2006). Child and Adolescent Therapy: Science and Art. Wiley. [S.l.: s.n.] pp. 269, 314. ISBN 978-0-471-38637-7;
[c] Peter B. Clarke; Peter Beyer (2009). The World's Religions: Continuities and Transformations. Taylor & Francis. [S.l.: s.n.] pp. 470–471. ISBN 978-1-135-21100-4