Lee, G., & Beard, D. (1994). Development centres: Realizing the potential of your employees through assessment and development. McGraw-Hill Book Co.
Chicago-viite (17. p.)Lee, Geoff, ja David Beard. Development Centres: Realizing the Potential of Your Employees Through Assessment and Development. London: McGraw-Hill Book Co, 1994.
MLA-viite (9. p.)Lee, Geoff, ja David Beard. Development Centres: Realizing the Potential of Your Employees Through Assessment and Development. McGraw-Hill Book Co, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.