Gaya APA
egan, Gerard. (1982).
The Skilled Helper (Kesatu).
California:
Cole Publishing Company.
Gaya Chicago
egan, Gerard.
The Skilled Helper.
Kesatu
California:
Cole Publishing Company,
1982.
.
Gaya MLA
egan, Gerard.
The Skilled Helper.
Kesatu
California:
Cole Publishing Company,
1982.
.
Gaya Turabian
egan, Gerard.
The Skilled Helper.
Kesatu
California:
Cole Publishing Company,
1982.
.