Reference: Vidal 1997

Vidal, Alejandra. 1997. Noun classification in Pilagá (Guaykuruan). Journal of Amazonian Languages 1(1). 58–111.

@article{vidal1997classifiers,
  author  = {Vidal, Alejandra},
  journal = {Journal of Amazonian Languages},
  number  = {1},
  pages   = {58–111},
  title   = {Noun classification in Pilagá (Guaykuruan)},
  volume  = {1},
  year    = {1997}
}