Collins, D. (2000). Achieving your vision of professional development: How to assess your needs and get what you want (3. ed.). SERVE.
Chicago-Zitierstil (17. Ausg.)Collins, David. Achieving Your Vision of Professional Development: How to Assess Your Needs and Get What You Want. 3. ed. Greensboro, NC: SERVE, 2000.
MLA-Zitierstil (9. Ausg.)Collins, David. Achieving Your Vision of Professional Development: How to Assess Your Needs and Get What You Want. 3. ed. SERVE, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.