Black, H. C., Lottich, K. V., & Seckinger, D. S. (1972). The great educators: Readings for leaders in education. Nelson-Hall.
Chicago-čujuhus (17. p.)Black, Hugh C., Kenneth V. Lottich, juo Donald S. Seckinger. The Great Educators: Readings for Leaders in Education. Chicago: Nelson-Hall, 1972.
MLA-čujuhus (9. p.)Black, Hugh C., et al. The Great Educators: Readings for Leaders in Education. Nelson-Hall, 1972.
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