References

Bibliographical Citations

• Victoria Fromkin, R. R. An introduction to language. En R. R. Victoria Fromkin, An introduction to language . California Los Angeles: Wadsworth.
• J.LaPolla, R. (05 de 2010). https://www.sciencedirect.com/science/article/pii/S1877042810011705. Obtenido de https://www.sciencedirect.com/science/article/pii/S1877042810011705: https://www.sciencedirect.com/science/article/pii/S1877042810011705
• Lapolla, R. J. (05 de 2010). sciencedirect. Recuperado el 26 de 07 de 2018, de sciencedirect: https://www.sciencedirect.com