Cita APA

Walter, T., & Walter, T. (1996). Amazing english!: How-to handbook. United States of America: Addison-Wesley.

Citación estilo Chicago

Walter, Teresa, y Teresa Walter. Amazing English!: How-to Handbook. United States of America: Addison-Wesley, 1996.

Cita MLA

Walter, Teresa, y Teresa Walter. Amazing English!: How-to Handbook. United States of America: Addison-Wesley, 1996.