APA (7th ed.) Citation

Wolff, H. W. (1990). Business English for your job ([Neubearb.], 1. Aufl., 1. Dr.). Cornelsen u.a.

Chicago Style (17th ed.) Citation

Wolff, Hans Wolfgang. Business English for Your Job. [Neubearb.], 1. Aufl., 1. Dr. Bielefeld: Cornelsen u.a, 1990.

MLA (9th ed.) Citation

Wolff, Hans Wolfgang. Business English for Your Job. [Neubearb.], 1. Aufl., 1. Dr. Cornelsen u.a, 1990.