Lua APA (7ú heag.)
Torres Cacoullos, R. (2000). Grammaticization, synchronic variation, and language contact: A study of Spanish progressive -ndo constructions. J. Benjamins.
Lua i Stíl Chicago (17ú heag.)
Torres Cacoullos, Rena. Grammaticization, Synchronic Variation, and Language Contact: A Study of Spanish Progressive -ndo Constructions. Amsterdam ; Philadelphia: J. Benjamins, 2000.
Lua MLA (9ú heag.)
Torres Cacoullos, Rena. Grammaticization, Synchronic Variation, and Language Contact: A Study of Spanish Progressive -ndo Constructions. J. Benjamins, 2000.
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