Cita APA (7a ed.)

(2017). Delta Academic Objectives - Reading Skills B2-C1: Coursebook. Ernst Klett Sprachen GmbH.

Cita Chicago Style (17a ed.)

Delta Academic Objectives - Reading Skills B2-C1: Coursebook. Germany: Ernst Klett Sprachen GmbH, 2017.

Cita MLA (9a ed.)

Delta Academic Objectives - Reading Skills B2-C1: Coursebook. Ernst Klett Sprachen GmbH, 2017.