His El cómic y la fotonovela en el aula, 1989: t.p. (Roberto Aparici)

UNED WWW site, April 6, 2018 (Roberto Aparici; Roberto Aparici Marino; teacher at UNED; research focus on education and communication)

ISNI, April 6, 2018 (access points: Aparici, Roberto; Aparici Marino, Roberto; Aparici Marino, Roberto Matías)