NORDBERG, H. O., BRADFIELD, J. M., & ODELL, W. C. (1962). Secondary school teaching. The Macmillan Co.
Chicago-čujuhus (17. p.)NORDBERG, H. Orvile, James M. BRADFIELD, juo William C. ODELL. Secondary School Teaching. New York: The Macmillan Co, 1962.
MLA-čujuhus (9. p.)NORDBERG, H. Orvile, et al. Secondary School Teaching. The Macmillan Co, 1962.
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