Cita APA (7a ed.)

López Estupiñán, B. (2017). Common written english grammatical mistakes in the students from the applied linguistics school at PUCE in Esmeraldas.

Cita Chicago Style (17a ed.)

López Estupiñán, Boris. Common Written English Grammatical Mistakes in the Students from the Applied Linguistics School at PUCE in Esmeraldas. 2017.

Cita MLA (9a ed.)

López Estupiñán, Boris. Common Written English Grammatical Mistakes in the Students from the Applied Linguistics School at PUCE in Esmeraldas. 2017.