@Article{BVMC:229412, author = {Zampini, Mary L.}, title = {The Role of Native Language Transfer and Task Formality in the Acquisition of Spanish Spirantization}, journal = {Hispania. Volume 77, Number 3, September 1994}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2008}, year = {2008}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc902g6} }