Rivera Cusicanqui, S. (1987). "Oppressed but not defeated": Peasant struggles among the Aymara and Qhechwa in Bolivia, 1900-1980. United Nations Research Institute for Social Development.
Dyfyniad Arddull ChicagoRivera Cusicanqui, Silvia. "Oppressed but Not Defeated": Peasant Struggles Among the Aymara and Qhechwa in Bolivia, 1900-1980. Geneva: United Nations Research Institute for Social Development, 1987.
Dyfyniad MLARivera Cusicanqui, Silvia. "Oppressed but Not Defeated": Peasant Struggles Among the Aymara and Qhechwa in Bolivia, 1900-1980. United Nations Research Institute for Social Development, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.