APA-viite (7. p.)
Torres Cacoullos, R. (2000). Grammaticization, synchronic variation, and language contact: A study of Spanish progressive -ndo constructions. J. Benjamins.
Chicago-viite (17. p.)
Torres Cacoullos, Rena. Grammaticization, Synchronic Variation, and Language Contact: A Study of Spanish Progressive -ndo Constructions. Amsterdam ; Philadelphia: J. Benjamins, 2000.
MLA-viite (9. p.)
Torres Cacoullos, Rena. Grammaticization, Synchronic Variation, and Language Contact: A Study of Spanish Progressive -ndo Constructions. J. Benjamins, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.