APA-Zitierstil (7. Ausg.)

Dittmer, R. E. (2009). 151 quick ideas to improve your people skills. Career Press.

Chicago-Zitierstil (17. Ausg.)

Dittmer, Robert E. 151 Quick Ideas to Improve Your People Skills. Franklin Lakes, N.J: Career Press, 2009.

MLA-Zitierstil (9. Ausg.)

Dittmer, Robert E. 151 Quick Ideas to Improve Your People Skills. Career Press, 2009.