APA (7th ed.) Citation

Proaño B., E. (1997). Difficulties in the oral production that students of the superior english level at Intisana High School of Quito have.

Chicago Style (17th ed.) Citation

Proaño B., Enrique. Difficulties in the Oral Production That Students of the Superior English Level at Intisana High School of Quito Have. 1997.

MLA (9th ed.) Citation

Proaño B., Enrique. Difficulties in the Oral Production That Students of the Superior English Level at Intisana High School of Quito Have. 1997.