Cita APA

Gude Kathy, Duckworth Michael, & Halliwell Helen. (2007). Top score: Student´s book 3. Oxford: Oxford University Press.

Citación estilo Chicago

Gude Kathy, Duckworth Michael, y Halliwell Helen. Top Score: Student´s Book 3. Oxford: Oxford University Press, 2007.

Cita MLA

Gude Kathy, Duckworth Michael, y Halliwell Helen. Top Score: Student´s Book 3. Oxford: Oxford University Press, 2007.