Cita APA

Ferree, T., & Sanabria, K. 1. (2020). NorthStar 4: Listening and speaking (5. edition.). White Plains, N.Y.: Pearson Education.

Citación estilo Chicago

Ferree, Tess, y Kim 1955- Sanabria. NorthStar 4: Listening and Speaking. 5. edition. White Plains, N.Y.: Pearson Education, 2020.

Cita MLA

Ferree, Tess, y Kim 1955- Sanabria. NorthStar 4: Listening and Speaking. 5. edition. White Plains, N.Y.: Pearson Education, 2020.