APA (7th ed.) Citation

Hartel, D. H. (2013). Consultant-Knigge (2. Aufl.). Oldenbourg.

Chicago Style (17th ed.) Citation

Hartel, Dirk H. Consultant-Knigge. 2. Aufl. München: Oldenbourg, 2013.

MLA (9th ed.) Citation

Hartel, Dirk H. Consultant-Knigge. 2. Aufl. Oldenbourg, 2013.

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