Johnson and Levinsohn 1990

Johnson, Orville E. and Levinsohn, Stephen H. 1990. Gramatica Secoya. (Cuadernos Etnolinguisticos.) Instituto Linguistico de Verano.

@book{sey_levinson1990,
  author    = {Johnson, Orville E. and Levinsohn, Stephen H.},
  number    = {11},
  publisher = {Instituto Linguistico de Verano},
  series    = {Cuadernos Etnolinguisticos},
  title     = {Gramatica Secoya},
  year      = {1990}
}