Cita APA

Preiss Sherry. (2008). Northstar5: Listening and speaking (Third edition.). usa.

Citación estilo Chicago

Preiss Sherry. Northstar5: Listening and Speaking. Third edition. usa, 2008.

Cita MLA

Preiss Sherry. Northstar5: Listening and Speaking. Third edition. usa, 2008.

Precaución: Estas citas no son 100% exactas.