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Martínez, Layla (December 1, 2021). "Acabar con la música para siempre" [Ending music forever]. elsaltodiario.com (in Spanish). Retrieved January 31, 2022.
Martínez, Layla (December 1, 2021). "Acabar con la música para siempre" [Ending music forever]. elsaltodiario.com (in Spanish). Retrieved January 31, 2022.
Steinhoff 1989, p. 727. Steinhoff, Patricia (1989). "Hijackers, Bombers, and Bank Robbers: Managerial Style in the Japanese Red Army". The Journal of Asian Studies. 48 (4): 724–740. doi:10.2307/2058111. JSTOR2058111.