@book{tseltal-R037,
  address   = {Tuxtla},
  author    = {Torres Sánchez, Diego and Zapata Guzmán, Alfredo and Pérez López, Felipa},
  publisher = {Secretaría de Educación},
  title     = {Swejteseji'bal k'op yu'un tseltal},
  year      = {2007}
}