Preiss, S. (2009). NorthStar 5 (3rd edition.). Longman.
Citación estilo ChicagoPreiss, Sherry. NorthStar 5. 3rd edition. White Plains, N.Y.: Longman, 2009.
Cita MLAPreiss, Sherry. NorthStar 5. 3rd edition. Longman, 2009.
Warning: These citations may not always be 100% accurate.