Weindling, D., & Earley, P. (1987). Secondary headship: The first years. NFER-Nelson.
Citace podle Chicago (17th ed.)Weindling, Dick, a Peter Earley. Secondary Headship: The First Years. Windsor, Berkshire, England ; Philadelphia, PA: NFER-Nelson, 1987.
Citace podle MLA (8th ed.)Weindling, Dick, a Peter Earley. Secondary Headship: The First Years. NFER-Nelson, 1987.
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