Weber, Robert L. and Coombs, Heidi and Coombs, David M. 1976. Gramática quechua: San Martín. Lima: Ministerio de Educación. 222pp.
@book{gweberetalquechuasanmartin, author = {Weber, Robert L. and Coombs, Heidi and Coombs, David M.}, pages = {222}, publisher = {Lima: Ministerio de Educación}, title = {Gramática quechua: San Martín}, year = {1976} }