Cita APA (7a ed.)
kay, S., Jones, V., & Hird, J. American Inside out: Student's Book. Intermediate.
Cita Chicago Style (17a ed.)
kay, Sue, Vaughan Jones, y Jon Hird. American Inside Out: Student's Book. Intermediate.
Cita MLA (9a ed.)
kay, Sue, et al. American Inside Out: Student's Book. Intermediate.
Precaución: Estas citas no son 100% exactas.