Cita APA

Frazier, L. L. 1., & Mills, R. (2020). NorthStar 2: Listening and speaking (5. edition.). White Plains, N.Y.: Pearson Education.

Citación estilo Chicago

Frazier, Laurie Leach 1965-, y Robin Mills. NorthStar 2: Listening and Speaking. 5. edition. White Plains, N.Y.: Pearson Education, 2020.

Cita MLA

Frazier, Laurie Leach 1965-, y Robin Mills. NorthStar 2: Listening and Speaking. 5. edition. White Plains, N.Y.: Pearson Education, 2020.