Gaya APA
Educational Leadership. (2008).
New York:
[s.n.].
Gaya Chicago
Educational Leadership.
.
New York:
[s.n.],
2008.
Text.
Gaya MLA
Educational Leadership.
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New York:
[s.n.],
2008.
Text.
Gaya Turabian
Educational Leadership.
New York:
[s.n.],
2008.
Print.