Ackerman, R., Van der Bogert, R., & Donaldson, G. A. (1996). Making sense as a school leader: Persisting questions, creative opportunities. Jossey Bass.
Lua i Stíl Chicago (17ú heag.)Ackerman, Richard, Rebeca Van der Bogert, agus Gordon A. Donaldson. Making Sense as a School Leader: Persisting Questions, Creative Opportunities. San Francisco: Jossey Bass, 1996.
Lua MLA (9ú heag.)Ackerman, Richard, et al. Making Sense as a School Leader: Persisting Questions, Creative Opportunities. Jossey Bass, 1996.
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