Bills and Troike 1969

Bills, Garland, Bernardo Vallejo and Troike, Rudolph. 1969. An introduction to spoken Bolivian Quechua. University of Texas Press.

@book{2033_billsetal1969,
  author    = {Bills, Garland, Bernardo Vallejo and Troike, Rudolph},
  publisher = {University of Texas Press},
  title     = {An introduction to spoken Bolivian Quechua},
  year      = {1969}
}