Heavy Metal (wrestler) (English Wikipedia)

Gutiérrez, Ana (July 13, 2009). "La Vision del Negro Casas" (in Spanish). Fuergo en el Ring. Archived from the original on July 19, 2009. Retrieved August 21, 2009.

luchalibreaaa.com

"Ya estamos en la Casa" (in Spanish). Lucha Libre AAA Worldwide. March 19, 2010. Archived from the original on March 23, 2010. Retrieved March 20, 2010.
"Naucalpan atestigua la historia". Lucha Libre AAA Worldwide (in Spanish). February 5, 2011. Archived from the original on March 17, 2011. Retrieved March 19, 2011.
"Solo uno dominó el Kaoz: Xtreme Tiger". Lucha Libre AAA Worldwide. March 18, 2011. Archived from the original on March 22, 2011. Retrieved March 19, 2011.

Redaccion (April 1, 2013). "Inicia la Guerra de Familias en Naucalpan". MedioTiempo (in Spanish). MSN. Retrieved April 11, 2013.

Ruiz Glez, Alex (March 19, 2011). "¡Heavy Metal gano la Cabellera de Electroshock!". Súper Luchas Magazine (in Spanish). Retrieved March 19, 2011.
Cano Vela, Eduardo (June 17, 2011). "AAA TripleManía XIX (Cobertura y resultados 18 de junio de 2011) – Mesias pierde la cabellera, Jeff Jarrett nuevo Megacampeón, Dr. Wagner vence a RVD". Súper Luchas Magazine (in Spanish). Retrieved June 19, 2011.
Cano Vela, Eduardo (June 11, 2013). "AAA #TripleManíaXXI (Cobertura y Resultados 16 de junio de 2013) – El Hijo del Perro Aguayo vs. Cibernético por las Cabelleras – Blue Demon, Jr. vs. El Mesías por el Campeonato Latinoamericano". Súper Luchas Magazine (in Spanish). Retrieved June 16, 2013.
Centinela, Teddy (February 26, 2015). "En un día como hoy… 1993: Heavy Metal se corona como campeón venciendo a Rey Mysterio… Comienza el torneo por el título de parejas CMLL". Súper Luchas (in Spanish). Retrieved July 1, 2015.
Centinela, Teddy (May 23, 2015). "En un día como hoy… 2008: Triangular de cabelleras: Hijo del Perro, Toscano, Heavy Metal… Místico y Héctor Garza, campeones". Súper Luchas (in Spanish). Retrieved July 1, 2015.

Mejía Eguiluz, Diego (March 31, 2013). "Los Capos se llevaron la Guerra de Familias". Reseña (in Spanish). The Gladiatores. Retrieved April 11, 2013.

Gutiérrez, Ana (July 13, 2009). "La Vision del Negro Casas" (in Spanish). Fuergo en el Ring. Archived from the original on July 19, 2009. Retrieved August 21, 2009.
"Ya estamos en la Casa" (in Spanish). Lucha Libre AAA Worldwide. March 19, 2010. Archived from the original on March 23, 2010. Retrieved March 20, 2010.
"Naucalpan atestigua la historia". Lucha Libre AAA Worldwide (in Spanish). February 5, 2011. Archived from the original on March 17, 2011. Retrieved March 19, 2011.
"Solo uno dominó el Kaoz: Xtreme Tiger". Lucha Libre AAA Worldwide. March 18, 2011. Archived from the original on March 22, 2011. Retrieved March 19, 2011.
"Wrestling Information Archive – Pro Wrestling Illustrated's Top 500 Wrestlers of the PWI Years". 16 June 2008. Archived from the original on 16 June 2008.