Cristofaro, Sonia. 2012. The referential hierarchy: reviewing the evidence in diachronic perspective.
@conference{jacquesestimative-cristofaro12referential, author = {Cristofaro, Sonia}, booktitle = {Anna Siewierska Memorial Workshop}, month = {April 27}, organization = {| ImprintMax Planck Institute for Evolutionary Anthropology, Leipzig}, title = {The referential hierarchy: reviewing the evidence in diachronic perspective}, year = {2012} }