Cita APA

Jeffries, A., Barber, D., & Lansford, L. (2018). Perspectives: Advanced : [student's book]. Andover, Hampshire: National Geographic Learning Cengage Learning.

Citación estilo Chicago

Jeffries, Amanda, Daniel Barber, and Lewis Lansford. Perspectives: Advanced : [student's Book]. Andover, Hampshire: National Geographic Learning Cengage Learning, 2018.

Cita MLA

Jeffries, Amanda, Daniel Barber, and Lewis Lansford. Perspectives: Advanced : [student's Book]. Andover, Hampshire: National Geographic Learning Cengage Learning, 2018.