- Author: Smith Cath.
- Language: English
- Author: Messinger Joseph.
- Language: French
- Author: Annika Herrmann Markus Steinbach
- Language: English
- Year: 2013
- Author: Sherman Wilcox
- Language: English
- Year: 1992
- Author: Roland Pfau Markus Steinbach Bencie Woll
- Language: English
- Year: 2012
- Author: Коллектив авторов
- Language: Русский
- Year: 1995
- Author: Diane Brentari
- Language: English
- Year: 2010