Gaya APA
Improving school performance. (1983).
New York:
Praeger Publishers.
Gaya Chicago
Improving school performance.
.
New York:
Praeger Publishers,
1983.
Buku.
Gaya MLA
Improving school performance.
.
New York:
Praeger Publishers,
1983.
Buku.
Gaya Turabian
Improving school performance.
New York:
Praeger Publishers,
1983.
Buku.