David Coombs, Heidi Coombs, Robert Weber. 1976. Gramática quechua, San Mart'in. Lima: Ministerio de Educaci'on.
@book{2036_coombsetal1976, address = {Lima}, author = {David Coombs, Heidi Coombs, Robert Weber}, publisher = {Ministerio de Educaci'on}, title = {Gramática quechua, San Mart'in}, year = {1976} }