Não informado. (1990). Personnel Training and Education. Library Association, Personnel Training and Education Group.
Chicago-Zitierstil (17. Ausg.)Não informado. Personnel Training and Education. London: Library Association, Personnel Training and Education Group, 1990.
MLA-Zitierstil (8. Ausg.)Não informado. Personnel Training and Education. Library Association, Personnel Training and Education Group, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.