Cita APA (7a ed.)

Ferree, T., & Sanabria, K. North star. Focus on listening and speaking.

Cita Chicago Style (17a ed.)

Ferree, Tess, y Kim Sanabria. North Star. Focus on Listening and Speaking.

Cita MLA (8a ed.)

Ferree, Tess, y Kim Sanabria. North Star. Focus on Listening and Speaking.

Precaución: Estas citas no son 100% exactas.