Frank et al. 1993

Frank, Paul S. and Erickson, Timothy and Erickson, Catherine. 1993. Vocabulario Jupda-Español-Português. Asociación Instituto Lingüístico de Verano.

@book{Franketal1993,
  author    = {Frank, Paul S. and Erickson, Timothy and Erickson, Catherine.},
  publisher = {Asociación Instituto Lingüístico de Verano},
  title     = {Vocabulario Jupda-Español-Português},
  year      = {1993}
}