APA (7th ed.) Citation

Wessels, D., & Clarke, D. (2004). Advanced commercial correspondence (1. Aufl.). Cornelsen.

Chicago Style (17th ed.) Citation

Wessels, Dieter, and David Clarke. Advanced Commercial Correspondence. 1. Aufl. Berlin: Cornelsen, 2004.

MLA (9th ed.) Citation

Wessels, Dieter, and David Clarke. Advanced Commercial Correspondence. 1. Aufl. Cornelsen, 2004.

Warning: These citations may not always be 100% accurate.