Wendel, F. C., Hoke, F. A., & Joekel, R. G. (1996). Outstanding school administrators: Their keys to success. Praeger.
Παραπομπή σε μορφή Chicago (17η εκδ.)Wendel, Frederick C., Fred A. Hoke, και Ronald G. Joekel. Outstanding School Administrators: Their Keys to Success. Westport, Connecticut: Praeger, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)Wendel, Frederick C., et al. Outstanding School Administrators: Their Keys to Success. Praeger, 1996.
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