1. Gálvez Alvarado RM (Neo-Pentecostal Seminary and Iglesia La Familia de Dios), February 8, 2002a and February 13, 2002, Guatemala City
2. Grossmann RW, Email Correspondance to Author, July 22, 2009 and February 14, 2010.
3. Similox V (2001) (Presbyterian Pastor, CIEDEG, Conferencia de las Iglesias Evangélicas de Guatemala) May 14, 2001, Guatemala City
4. Smith D (CEDEPCA, Centro Evangélico de Estudio Pastorales en América Central), April 23, 2001, Guatemala City
5. Zapata Arceyuz V (AEG, Alianza Evangélica Guatemalteca, Colegio Interamericano), February 20, 2002, Guatemala City