Cita APA (7a ed.)

Urrutia Sánchez, E. (2013). 10 didactic activities for intermediate English classes. Universidad de la Salle.

Cita Chicago Style (17a ed.)

Urrutia Sánchez, Elena. 10 Didactic Activities for Intermediate English Classes. Bogotá: Universidad de la Salle, 2013.

Cita MLA (9a ed.)

Urrutia Sánchez, Elena. 10 Didactic Activities for Intermediate English Classes. Universidad de la Salle, 2013.