Barth, R. S. (1997). The principal learner: A work in progress (2. print.). Internat. Network of Principals' Centers, Harvard Graduate School of Education.
Chicago-Zitierstil (17. Ausg.)Barth, Roland S. The Principal Learner: A Work in Progress. 2. print. Cambridge, MA: Internat. Network of Principals' Centers, Harvard Graduate School of Education, 1997.
MLA-Zitierstil (9. Ausg.)Barth, Roland S. The Principal Learner: A Work in Progress. 2. print. Internat. Network of Principals' Centers, Harvard Graduate School of Education, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.