Scales, P. (2011). Continuing professional development in the lifelong learning sector. Open University Press.
Chicago-Zitierstil (17. Ausg.)Scales, Peter. Continuing Professional Development in the Lifelong Learning Sector. Berkshire, England: Open University Press, 2011.
MLA-Zitierstil (9. Ausg.)Scales, Peter. Continuing Professional Development in the Lifelong Learning Sector. Open University Press, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.