Cita APA (7a ed.)
Harmer, J. (1990). Meridian Plus 1: Student's Book (1. ed.). Longman.
Cita Chicago Style (17a ed.)
Harmer, Jeremy. Meridian Plus 1: Student's Book. 1. ed. Harlow: Longman, 1990.
Cita MLA (9a ed.)
Harmer, Jeremy. Meridian Plus 1: Student's Book. 1. ed. Longman, 1990.
Precaución: Estas citas no son 100% exactas.