Miller (2011), p. 352; Reyes (2014), p. 528. Miller, J.W. (October 2011). "Why Marx Was Right (Review)". Choice Reviews. Vol. 49, no. 2. p. 352. ISSN0009-4978. ProQuest899226819. Reyes, José Carlos Castañeda (2014). "'El Islam [No Ha Sido] la Solución'. Egipto Bajo el Gobierno de los Hermanos Musulmanes (2012–2013)" ['Islam [Has Not Been] the Solution'. Egypt Under the Rule of the Muslim Brotherhood (2012–2013)]. Estudios de Asia y Africa (in Spanish). 49 (2): 528. ISSN0185-0164. ProQuest2427053281.
Miller (2011), p. 352; Reyes (2014), p. 528. Miller, J.W. (October 2011). "Why Marx Was Right (Review)". Choice Reviews. Vol. 49, no. 2. p. 352. ISSN0009-4978. ProQuest899226819. Reyes, José Carlos Castañeda (2014). "'El Islam [No Ha Sido] la Solución'. Egipto Bajo el Gobierno de los Hermanos Musulmanes (2012–2013)" ['Islam [Has Not Been] the Solution'. Egypt Under the Rule of the Muslim Brotherhood (2012–2013)]. Estudios de Asia y Africa (in Spanish). 49 (2): 528. ISSN0185-0164. ProQuest2427053281.