Carr, D. L. Brilliant Assertiveness: What the most assertive people know, do and say (1.). Pearson Education UK.
Chicago-Zitierstil (17. Ausg.)Carr, Dannie Lu. Brilliant Assertiveness: What the Most Assertive People Know, Do and Say. 1. Pearson Education UK.
MLA-Zitierstil (8. Ausg.)Carr, Dannie Lu. Brilliant Assertiveness: What the Most Assertive People Know, Do and Say. 1. Pearson Education UK.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.