Gaya APA
Issues and Ethics in The Helping Professions. (2011).
USA:
Brooks/Cole Publishing.
Gaya Chicago
Issues and Ethics in The Helping Professions.
.
USA:
Brooks/Cole Publishing,
2011.
Buku.
Gaya MLA
Issues and Ethics in The Helping Professions.
.
USA:
Brooks/Cole Publishing,
2011.
Buku.
Gaya Turabian
Issues and Ethics in The Helping Professions.
USA:
Brooks/Cole Publishing,
2011.
Buku.