Writing Skills B2 C1: Coursebook (DELTA Academic Objectives)

Reading Skills B2 C1: Teacher’s Book (DELTA Academic Objectives)

Klett

Negotiating B1 B2: Coursebook with audios (DELTA Business Communication Skills)

Klett

Meetings B1 B2: Coursebook with audio CD (DELTA Business Communication Skills)

Klett

Absolute Banking English B2 C1: Coursebook with audio CD (DELTA Business English)