@book{ChangoPotosi2009,
  author    = {María T. Chango A.; Fabián Potosí C.},
  publisher = {Ministerio de Educación Ecuador},
  title     = {Yachakukkunapa Shimiyuk Kamu: Runa Shimi- Mishu Shimi, Kichwa- Castellano, Mishu Shimi- Runa Shimi, Castellano- Kichwa},
  year      = {2009}
}