Harmer, J. (1989). Meridian: Student's book 1. Longman.
Cita Chicago Style (17a ed.)Harmer, Jeremy. Meridian: Student's Book 1. England: Longman, 1989.
Cita MLA (9a ed.)Harmer, Jeremy. Meridian: Student's Book 1. Longman, 1989.
Precaución: Estas citas no son 100% exactas.