Key, M. R. (1978). The history and distribution of the indigenous languages of Bolivia. Los Angeles : Estados Unidos: Anual Meeting of the American Anthropological Society.
Dyfyniad Arddull ChicagoKey, Mary Ritchie. The History and Distribution of the Indigenous Languages of Bolivia. Los Angeles : Estados Unidos: Anual Meeting of the American Anthropological Society, 1978.
Dyfyniad MLAKey, Mary Ritchie. The History and Distribution of the Indigenous Languages of Bolivia. Los Angeles : Estados Unidos: Anual Meeting of the American Anthropological Society, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.