Andean Aymara

Here are two online sources for works relating to evidentiality in Aymara:

Nuñez & Sweetser. 2006. ‘With the future behind them’ Cognitive Science 30:501-450 [link]

Hardman, MJ.  1982.  ’The Mutual influence of Spanish and the Andean languages’ Word 33:143-157. [link] (see section 5.4.1 for a brief overview of data source marking)