Peeke, M. Catherine. 1991. Bosquejo gramatical del zaparo. Quito: Instituto Lingüístico de Verano. (Revision of Peeke 1962, by Mary Ruth Wise and Stephen H. Levinsohn).
@book{Peeke-1991, address = {Quito}, author = {Peeke, M. Catherine}, note = {Revision of Peeke 1962, by Mary Ruth Wise and Stephen H. Levinsohn}, publisher = {Instituto Lingüístico de Verano}, title = {Bosquejo gramatical del zaparo}, year = {1991} }