Bernal Chávez, J. A., & Díaz Romero, C. E. (2017). Panoramic Characterization of Spanish Spoken in Colombia: Phonology and Grammar. Universidad Pedagógica y Tecnológica de Colombia.
Citazione stile Chigago Style (17a edizione)Bernal Chávez, Julio Alexander, e Camilo Enrique Díaz Romero. Panoramic Characterization of Spanish Spoken in Colombia: Phonology and Grammar. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Citatione MLA (9a ed.)Bernal Chávez, Julio Alexander, e Camilo Enrique Díaz Romero. Panoramic Characterization of Spanish Spoken in Colombia: Phonology and Grammar. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.