APA
Ballantyne I., Povah N., . (1995). Assessment and development centres. Hampshire: Gower.
Chicago
Ballantyne Iain, Povah Nigel, . 1995. Assessment and development centres. Hampshire: Gower.
Harvard
Ballantyne I., Povah N., . (1995). Assessment and development centres. Hampshire: Gower.
MLA
Ballantyne Iain, Povah Nigel, . Assessment and development centres. Hampshire: Gower. 1995.