Cita APA

Harris, M., & Michael Harris; Anna Sikorzyńska. (2013). Choices: Upper intermediate students' books. Harlow: Pearson.

Citación estilo Chicago

Harris, Michael, y Michael Harris; Anna Sikorzyńska. Choices: Upper Intermediate Students' Books. Harlow: Pearson, 2013.

Cita MLA

Harris, Michael, y Michael Harris; Anna Sikorzyńska. Choices: Upper Intermediate Students' Books. Harlow: Pearson, 2013.