Cita APA

 Edmunds, P. (2011).  Developing skills for the TOEFL iBT: Intermediate.  Trẻ.

Citación estilo Chicago

 Edmunds, Paul.  Developing Skills for the TOEFL IBT: Intermediate.  Trẻ, 2011.

Cita MLA

 Edmunds, Paul.  Developing Skills for the TOEFL IBT: Intermediate.  Trẻ, 2011.