APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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