Sotelo L., L., N. Sotelo L., S. Dominguez L., and O. . Padilla T. “Preliminary Psychometric Analyses of the Adult Manifest Anxiety Scale (amas-A) in a Sample of Adults from Lima”. Revista De Psicología (Trujillo), vol. 14, no. 1, June 2012, pp. 31-46, http://revistas.ucv.edu.pe/index.php/revpsi/article/view/440.