Cita APA

Alexander, L. (1974). New concept english: First things first : suplementary written exercises. London: Longman.

Citación estilo Chicago

Alexander, L.G. New Concept English: First Things First : Suplementary Written Exercises. London: Longman, 1974.

Cita MLA

Alexander, L.G. New Concept English: First Things First : Suplementary Written Exercises. London: Longman, 1974.

Precaución: Estas citas no son 100% exactas.