Williams, Ann F. and Longacre, Robert E. 1966. Popoloca clause types. Acta Linguistica Hafniensia 10. 161-186.
@article{Williams-and-Longacre-1966, author = {Williams, Ann F. and Longacre, Robert E.}, journal = {Acta Linguistica Hafniensia}, pages = {161-186}, title = {Popoloca clause types}, volume = {10}, year = {1966} }