Gaya APA
Supervision for today's schools. (1983).
New York:
Longman.
Gaya Chicago
Supervision for today's schools.
2nd ed..
New York:
Longman,
1983.
Buku.
Gaya MLA
Supervision for today's schools.
2nd ed..
New York:
Longman,
1983.
Buku.
Gaya Turabian
Supervision for today's schools.
New York:
Longman,
1983.
Buku.