Literatur

von Peter Randall
Hardcover
Edition: 1
Publisher: Routledge
Year of publication: 1996
ISBN: 041512672X

von Robert A. Schmidt, Barbara L. Voss
Hardcover
Edition: 1
Publisher: Routledge
Year of publication: 2000
ISBN: 0415223652

Paperback
Edition: 1
Publisher: Routledge
Year of publication: 1997
ISBN: 0415915023

von Jerry Edelwich, Archie Brodsky
Hardcover
Edition: Revised edition
Publisher: Routledge
Year of publication: 2000
ISBN: 0876306288