Gaya APA
Handbook of The Social Services. (1981).
New Jersey:
Prentice-Hall Inc.
Gaya Chicago
Handbook of The Social Services.
.
New Jersey:
Prentice-Hall Inc,
1981.
Buku.
Gaya MLA
Handbook of The Social Services.
.
New Jersey:
Prentice-Hall Inc,
1981.
Buku.
Gaya Turabian
Handbook of The Social Services.
New Jersey:
Prentice-Hall Inc,
1981.
Buku.