Anderson, A. H., Barker, D., & Critten, P. (1996). Effective self-development: A skills and activity-based approach. Blackwell Business.
Chicago-Zitierstil (17. Ausg.)Anderson, Alan H., Dennis Barker, und Peter Critten. Effective Self-development: A Skills and Activity-based Approach. Oxford, [England]: Blackwell Business, 1996.
MLA-Zitierstil (9. Ausg.)Anderson, Alan H., et al. Effective Self-development: A Skills and Activity-based Approach. Blackwell Business, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.