Gaya APA
Supervision for today's School Second Edition. (1984).
New York & London:
Longman.
Gaya Chicago
Supervision for today's School Second Edition.
.
New York & London:
Longman,
1984.
Buku.
Gaya MLA
Supervision for today's School Second Edition.
.
New York & London:
Longman,
1984.
Buku.
Gaya Turabian
Supervision for today's School Second Edition.
New York & London:
Longman,
1984.
Buku.